The German goalkeeper made a costly gaffe as the Gunners crashed out of Europe to their London rivals Chelsea in the quarter-finals. He spilled Claude Makelele's shot for Frank Lampard to score.
The striker burst on to the European stage this season after his impressive form for Red Bull Salzburg earned him a £17million transfer to Borussia Dortmund in January.
The striker's current deal is set to expire in the summer and he has been linked with a move away from the French champions after almost departing in the January window.
Three 'cotton candy' exoplanets are the size of Jupiter but with a hundred times lighter mass - and NASA believes it is because they are still evolving. They are only 500 million years old.
The eye of the Calvinia tropical storm was just east of the island of Mauritius before heading south, as shown by NASA imagery on Tuesday.
Researchers at the University of Chicago used data from the Spitzer telescope to examine the planet, called KELT-9b, and find out just how inhospitable it is.
In images that surfaced online the rover's journey through Mars' landscape is laid bare. One the left is an image taken shortly after Curiosity landed on Mars while the right shows a snapshot from October.
The high-resolution image of the star-forming region - named for its spidery filaments of gas - is made up of data from several observations by the telescope.
After more than 16 years studying the universe in infrared light since its launch in 2003, NASA has switched off the Spitzer Space Telescope, bringing its mission to an end.
The binary system of space rocks was discovered by radar images from the Arecibo Observatory in Puerto Rico and is called 2020 BX12.
NASA's Juno reveals the first accurate estimate of the total amount of water in Jupiter's atmosphere. Water makes up around 0.25% of the molecules in the planet's atmosphere at its equator.
NASA has announced a new project to study the effects of rising sea levels on the Mississippi River Delta in Louisiana, which has had more than 5,000 square miles of land go underwater.
A NASA astronaut Jessica Meir shared images Boston, New York City and Philadelphia as she passed over 254 miles above Earth while aboard the International Space Station.
NASA shared an image of the Philippines two months after its Taal Volcano erupted -revealing an ash damaged landscape. The area was once a tropical oasis, but now looks more like the moon.
The cloud sits on the outskirts of the Tarantula Nebula in the neighbouring Large Magellanic Cloud Galaxy - 160,000 light years away from Earth.
Researchers from Colombia University found that the level of carbon monoxide, produced from vehicle emissions, had fallen by nearly 50 per cent.
Nasa's Earth Observatory has opened up an archive of pictures of Earth taken from space and is asking the public to vote for the winner in a knock-out-style competition.
Some conspiracy theorists who believe that 5G is helping to spread the coronavirus, have taken to burning 5G communication towers (pictured). This theory has been spread by a bizarre group.
A photographer has taken the world's clearest pictures of the moon's craters by combining multiple shots of the lunar line where light meets dark.
The hugely influential British artist partnered with snap to allow people to create their own virtual versions of his world-renowned Spin paintings.
Starting in the fourth quarter of 2020, Airbus will begin using a new odor detector in airports to help screen passengers for dangerous chemicals, based on a processor with integrated biological cells.
Studying anonymised patient records, UK researchers found that having abnormally small red blood cells appeared to double the risk of developing cancer within the next year.
Demand for takeaway food has risen as a result of lockdown - and the hoax sites are the latest example of UK criminals trying to take advantage of the COVID-19 crisis.
McLaren have given Formula One fans their take on what the future of the sport looks like as they presented the 2050: the MCLExtreme, a futuristic race car built and designed for the future.
The drawings, around 4 inches in length, were discovered in the rocky area of San Juan, near the town of Albuquerque in the province of Badajoz in western Spain.
On Dec. 21, during winter solstice, four of Juno's cameras captured images of the Jovian moon Io, the most volcanic body in our solar system, on the mission's 17th flyby of the gas giant.
Scientists have exposed very thin slices of ancient Egyptian mummy bones to light at different wavelengths in an attempt to discover how the people of the time would live, eat and spend their daily lives.
Spanish archaeologists found the remains of the girl during a dig near the city of Luxor in Egypt and say she would have been 15 or 16 when she died.
Apple has filed a patent illustrating an experimental new design for a bendable laptop that would be made from a single piece of material and fold in the same way as a stack of papers.
Researchers working in Alaska observed wolf spiders eating juvenile spiders due to a warming Arctic that is making them grow larger and produce more offspring, resulting in less resources.
A 'March Miracle' brought significant rainfall to southern California that birthed fields of orange poppies and NASA shared an image showing a sea of wildflowers as seen from space.
Any effective vaccine will take over a year to be developed and ready to be brought to bear on the coronavirus outbreak on a large scale, the UK-led team argued.
The music streaming service Deezer is developing an AI tool to analyze lyrics and help determine whether new songs added to its library should be flagged as explicit.
The image is the latest stunner to come back from Japan's Hayabusa2 mission, which previously landed two rovers on the asteroid in a world's first.
A new 'origami-inspired' foldable shelter designed for the next generation of moon explorers is about to undergo testing in the harsh conditions of Greenland.
It is a mosaic formed from three years' worth of 'lucky images' taken by the Gemini telescope in Hawaii and is one of the clearest photos of Jupiter ever taken from Earth.
Hull City are on the hunt for a new manager after Nigel Adkins decided to turn down the offer of a new contract. Adkins said in a statement that his and the club's futures were 'not aligned'.
Cardiff lost a topsy-turvy encounter against Wigan 3-2 at the DW Stadium, while there were wins for QPR, newly-promoted Charlton and Sheffield Wednesday on the road.
Never write off Neil Warnock in the Championship, but there was an early sign that he might not have the magic touch this season. Cardiff went down 3-2 at Wigan.
Another week down in the Premier League and another week in which those three letters are on the lips of every football fan: VAR. Sportsmail's resident experts detail what they would alter.
ALAM KHAN AT ELLAND ROAD: Leeds returned to the top of the Championship with a win over Hull but Marcelo Bielsa's men needed a helping hand to achieve a seventh successive win.
The Championship has turned into a melting pot for young, homegrown stars. Here Sportsmail look at the Championship stars that could be on their way to the Premier League this January.
The English defender moved to Holland in 2018 after rejecting a new deal with Hull City despite breaking into the first team, and a number of scouts have been watching him this season.
CHAMPIONSHIP ROUND-UP: Slaven Bilic's men have chosen the worst possible time to hit a bad run of form and are now down the second and winless in seven Championship matches.
This week's deals include: a free pint of beer, a train to Paris from just £29, or - £58 return - with Eurostar and a free cup of coffee from Greggs.
This week's deals include: half price personalised pillow costing £17.50, 50p off the cost of a coffee at Pret a Manger, a free eye test at Specsavers and a 'free' audiobook from the Amazon service Audible.
American payment giant PayPal stands accused of 'pickpocketing' tens of thousands of people every month who turn their clutter into hard cash.
Tesco customers are advised to check their Clubcard vouchers this month after the supermarket revealed that millions of unused vouchers are set to expire at the end of February.
More than 11million households in Britain are at risk of overpaying £3.5billion on their energy bills this year, simply because the Big Six refuse to give them a better deal, new research claims.
One positive from this devastating coronavirus pandemic, is the willingness for more people to get in the kitchen to cook and adapt recipes for the ingredients they have knocking around.