Mars has an active, electrically charged surface where dust storms and spinning dust devils regularly move and reshape the ...

Eric and Wendy Schmidt are backing a start-up-like approach to building a giant space telescope and powerful ground ...

If scientists are able to inspect it in person, and they find that Mars was indeed once alive with microbes, we would know ...

Mars, often depicted as a barren red planet, is far from lifeless. With its thin atmosphere and dusty surface, it is an ...

Wind and solar, now cheaper than fossil fuels, can spare millions of people from the worst effects of warming.

Around the bright star Fomalhaut, astronomers spotted glowing clouds of debris left behind by colossal collisions between ...

Long before humans walked the Earth, your solar system had a brush with two blazing blue stars that passed surprisingly close ...

Short-lived radioisotopes such as aluminum-26 influenced early solar system heat, water retention and the formation of Earth-like rocky planets, according to meteorite analyses and models.

Astronomers have uncovered a massive gas planet in a place it should never exist, orbiting one of the smallest stars in the ...

A new computational model suggests that Uranus' and Neptune's cores may be less icy than their "ice giant" nickname suggests. When you purchase through links on our site, we may earn an affiliate ...

Earth has the perfect combination of a livable atmosphere and a protective magnetic field that prevents the Sun's harmful radiation and radioactive solar winds from damaging us, allowing us to live on ...

Roughly four and a half billion years ago the planet Theia slammed into Earth, destroying Theia, melting large fractions of Earth’s mantle and ejecting a huge debris disk that later formed the moon.