Within the next decade, space agencies plan to bring samples of rock from Mars to Earth for study. Of concern is the possibility these samples contain life, which could have unforeseen consequences.

Mars' atmosphere moves differently from Earth's due to gravity waves. These waves affect air circulation at high altitudes.

The best opportunity to potentially see all seven planets is coming up on Feb. 28 around 6:10 p.m. ET, according to Shanahan. Mercury, which is the closest planet to the sun, would be the first to be ...

A space probe named Hera captured images of Mars' small Deimos moon while on a mission to examine an asteroid.

This is the perfect time to see Mars shine in all its glory ... it will be around 8:40 p.m. ET. Mid-March: As Mars moves further away from Earth, it will reach its peak position due south ...

NASA’s Perseverance rover found pale rocks containing kaolinite on Mars, a mineral that forms in warm, wet conditions.

When a mudflat crumbles on Earth, or an ice sheet splinters on one of Jupiter's moons (Europa), or an ancient lakebed breaks ...

A spectacle for stargazers to admire will take place in the night sky this evening, March 8. Mars will have a close encounter ...