NASA just confirmed that a quasi-moon has been orbiting since 1960. Here is everything to know about what is being called a "second moon." ...

Exoplanet hunters Christopher Watson and Annelies Mortier explain the long search for a 'twin Earth' capable of sustaining ...

A rogue visitor from deep space, Comet 3I/ATLAS, has put NASA on alert after its trajectory and behaviour shifted ...

A chemical "anomaly" revealed through an analysis of meteorites may have led to finding the first existing evidence of "proto ...

Astronomers have identified GJ 251 c, a super-Earth exoplanet just 18 light-years away, orbiting within its star's habitable ...

Melissa is forecast to become the first Category 5 landfall in the Atlantic Basin since Dorian roared into the Bahamas in ...

Researchers have discovered chemical fingerprints of Earth's earliest incarnation, preserved in ancient mantle rocks. A ...

JWST found a carbon-atmosphere planet orbiting a pulsar, challenging current models of how planets form. Scientific progress often comes from data that don’t fit our current understanding. This idea, ...

Everyone says "climate change" is driving the birth rate, but nobody is actually deciding against children because of the ...

In a groundbreaking discovery, scientists have identified a ‘super-Earth’ less than 20 light-years away, which could ...

(At these distances, both planets would reflect very little light back to Earth, making them hard to spot directly.) If it exists, Planet Y would also be tilted by up to 10 degrees compared with the ...

A new exoplanet candidate has just burst onto the scene, and it may be one of the best alien worlds yet on which to search for extraterrestrial life.