A dive into probabilities, asteroid impact modeling, and what sort of damage an approximately 180-foot asteroid could cause ...

The risk of impact is likely to drop to zero as observations of Asteroid 2024 YR4 continue.

The number of planets that orbit the sun depends on what you mean by “planet,” and that’s not so easy to define ...

A U.S. scientist searching for a civilization across 7 Earth clones circling the red dwarf star TRAPPIST-1 says its own alien ...

NASA’s Transiting Exoplanet Survey Satellite (TESS) has been used to discover Earth-size planet TOI 700 e. It is "orbiting ...

Continent-size islands deep inside Earth's mantle could be more than a ... strong enough to reverberate through the whole planet, including the LLSVPs and the surrounding mantle.

BS4 may be anywhere between 17 and 40 feet across, and will approach at about twice the distance between the Earth and moon.

Continent-size islands deep inside Earth's mantle could be more than a billion years old, a new study finds.