Certain extreme planets are called ultra-short period objects if they're very close to their stars and orbit them in mere hours, like K2-22b.

YR4 might force NASA to plan the first-ever space mission to push an asteroid away from Earth. Most likely, though, it's a ...

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

Scientists have revealed the exact date for when a 'city-destroying' asteroid is set to smash into Earth. The asteroid was ...

Pristine samples of the asteroid Bennu transported to Earth contain the “basic building blocks” for life, shedding new light on the perennial question of how life began on our planet. The revelation, ...

NASA and other space agencies are tracking 2024 YR4, a near-Earth asteroid with a small chance of impacting our planet in ...

Two new papers describe hints to a brine-filled environment on the 4.5-billion-year-old space rock and the presence of amino ...

Scientists say the unfolding El Niño event superimposed on long-term global warming is a primary driver of this huge spike in ...

Scientists have finally had a close look at the rubble collected by a NASA spacecraft from an asteroid. In it, they've found ...

Bennu contains minerals and thousands of organic molecules, including the chemical components that make up DNA.

Scientists studying samples that NASA collected from the asteroid Bennu found a wide assortment of organic molecules that ...

Scientists analysing samples from asteroid Bennu, delivered to Earth by NASA’s OSIRIS-REx mission , have revealed new ...