The famed Hubble Space Telescope has captured a jaw-dropping view of a comet making an incredibly close flyby of Mars.

NASA is getting ready to launch a daring test flight of a capsule that could eventually bring humans to deep-space destinations like Mars or an asteroid.

Long a subject of speculation, our neighbor has yet to yield signs of life. But that hasn't kept people from imaging it's there.

A giant crater on Mars may have been able to support microbial life for millions of years in the ancient past.

Ancient Mars featured flowing rivers and sizable lakes — but that doesn't mean the Red Planet definitely could have supported life.

NASA's Curiosity rover has made a surprising find that could help scientists get one step closer to figuring out if Mars has ever supported life.

NASA's Curiosity rover is continuing to help scientists piece together the mystery of how Mars lost its surface water over the course of billions of years.

Intriguing features photographed by NASA's Mars rover Curiosity probably don't have a biological origin, mission team members say.

The Beagle 2 Mars lander is clearly visible in new photos from NASA's sharp-eyed Mars Reconnaissance Orbiter (MRO) in orbit around the Red Planet.

The White House budget proposal for NASA in 2016 calls for a $500 million boost over the 2015 enacted budget and would keep NASA on its path to Mars.

One hundred people are still in the running to become humanity's first Mars explorers.

A mystery is brewing on Mars: Amateur astronomers spotted enormous plumes erupting off the Red Planet's surface, leaving scientists puzzled.

Paying taxes is an inescapable reality — even in space.

Mice zapped with cosmic rays can incur brain damage, suggesting that astronauts' brains could suffer over time on deep-space missions to Mars and beyond.

To prepare for future colonies on Mars, NASA is asking for ideas on how to keep Red Planet astronauts safe that require minimal resupplies from Earth.

An innovative concept for tiny probes attached to gliders could one day allow small robots to explore intricate locales on Mars.

NASA's Mars rover Curiosity has found a new route to some interesting rocks after its original path proved too difficult to traverse.

Elon Musk says nuclear detonations on the red planet offer the quickest path to making it habitable. But what other options are there?

The Arctic island has a fair amount in common with the Red Planet, at least on its surface.

NASA Administrator Charles Bolden says the agency's current goal of getting astronauts to Mars in the 2030s is eminently achievable

Satellites, landers, rovers ... can a manned trip to the Red Planet be far behind?

Want to go to space? NASA is looking to hire a few good astronauts.

The European Space Agency's ExoMars mission is a two-phase operation that will look for methane, ice and landing sites for future rovers.

Several billion years ago, Mars had a vast ocean that may have harbored some giant waves.

A fresh batch of satellite images showcasing the red planet's diverse topography is providing scientists with valuable data for future travel to Mars.

The space agency is trying to understand what vegetables may thrive on the red planet, and how to help them do so.

Former astronaut Buzz Aldrin says the $3.5 billion spent annually on the space station should go towards efforts to colonize Mars.

The space agency is planning to land its newest set of wheels on the Martian surface by early 2021.

Finding water ice could change everything we thought we knew about the red planet, and make colonization feasible.

September event sparked a global aurora at Mars more than 25 times brighter than anything previously observed.

The Mars InSight lander, developed to peer deep into the red planet's interior, is slated to launch on the morning of May 5.

It would be the first heavier-than-air craft flown on another planet.

NASA’s Mars Reconnaissance Orbiter captured the colorful anomaly while surveying a 'field of dunes' on the red planet.

The fourth planet from the sun, Mars is one of our closest neighbors in the solar system, and yet it remains a mystery.

Dust storms like this might provide hints about what happened to the water on Mars.

An in-depth study into the resources and tech needed to turn Mars into Earth finds we're not quite there yet.

NASA's open source plans for a smaller model of the Mars Curiosity rover are meant to inspire next-gen STEM students.

NASA says the unique Jezero Crater will revolutionize our understanding of Mars and its 'ability to harbor life.'

Mars' Korolev crater is a well-preserved crater permanently filled with ice.

See the stunning images captured over 15 years by the European Space Agency's Mars Express in this beautiful greatest hits montage.

The rover was originally meant to only live for 90 days.

The delicate tremble of aspen leaves in low-wind conditions may generate enough backup energy to save and extend the life of future Mars rovers.

A newly formed crater on Mars reveals the red planet's blue underbelly.

NASA unveils new spacesuit for the first woman and next man to wear on the moon in 2024 and eventually Mars.

Life-affirming data from 1976 was dismissed as a 'false positive,' but former NASA scientist Gilbert V. Levin is speaking up.

Media columnist Ken Edelstein visits with Tea Partiers and energy-efficiency advocates, and comes away with a dizzy feeling.

The autonomous aircraft Mars Helicopter heralds the beginning of a new era in our exploration of the red planet.

New results from NASA's MAVEN spacecraft suggest that the Red Planet lost most of its carbon dioxide-dominated atmosphere to space about 3.7 billion years ago.

Mars may one day have rings similar to Saturn's famous halo, new research suggests.

The InSight lander is equipped to study the Red Planet's interior in unprecedented detail.