Alien life may be hiding much closer to home than science fiction would have us believe, according to a particle physicist ...

Swipe Down for Full Video Story We’ve thrown a lot of disasters at Earth over the years: from asteroids and aliens, to the Sun’s death. But hey, the Universe is a dangerous place, and we’re not done ...

"This dust can penetrate the shielding of the solar system and end up on Earth." When you purchase through links on our site, ...

Scientists have discovered a bizarre planetary system where a rocky world orbits farther out than giant gas planets, defying ...

Measurements of this interstellar comet’s molecular makeup show an excess of heavy water molecules that is dramatically different from anything known to have ever formed around our sun ...

Nothing manmade has reached further from Earth than the Voyager series of spacecraft. Hurtling away from the sun at 38,000 miles an hour, the duo have now traveled over 12 billion miles, with Voyager ...

The presence of deuterium, an isotope of hydrogen, in 3I/ATLAS suggests the interstellar comet formed in a much colder place before our solar system existed.

Illustration comparing the planets of the Solar System and the Sun on the same scale. The planets are shown to scale relative to each other but their distances are not. From left to right the bodies ...