Tiny life forms tucked into debris from an asteroid hit could catapult to other planets—including Earth—and survive, a new ...

There are many open questions about how our planet formed 4.55 billion years ago: When did plate tectonics start? When did the Earth's mantle begin to vigorously circulate in a process called ...

NEW YORK (CNN) — An exoplanetary system about 116 light-years from Earth could flip the script on how planets form, according to researchers who discovered it using telescopes from NASA and the ...

Add Yahoo as a preferred source to see more of our stories on Google. An artist's impression of a planetary system with four planets, around a small red star, called LHS1903 with a large reddish-brown ...

WASHINGTON, Feb 14 (Reuters) - Astronomers have observed a planetary system that challenges current planet formation theories, with a rocky planet that formed beyond the orbits of its gaseous ...

A study led by SETI Institute scientist Matija Ćuk proposes that Saturn’s bright rings and its largest moon, Titan, may have both originated in collisions among its moons. This study was accepted for ...

The takeaway: An international team of astronomers has published a study on LHS 1903, a red dwarf star hosting a truly unusual planetary system. Unlike our solar system and many previously discovered ...

After years of data collection, NASA’s InSight lander delivered the evidence scientists had been searching for. By listening to marsquakes, the probe was able to map the planet’s interior for the ...

New research suggests that Jupiter’s icy moons may have formed with complex organic molecules already embedded in their building blocks.

The NASA DART spacecraft shifted the orbits of two asteroids around the sun after intentionally crashing into one of them.