SCIENTISTS are scratching their heads as 3I/ATLAS reaches its closest point to Earth, but it’s not behaving like a typical ...

Interstellar object 3I/ATLAS is making its closest approach to Earth in just over a week from now, coming within 167 million ...

Over a month after its perihelion, or closest pass of the Sun, observations still clearly show 3I/ATLAS' "anti-tail." ...

A Harvard University astrophysicist has sparked a furious debate by warning he cannot rule out that extraterrestrials are ...

TRAPPIST-1e, an Earth-sized world in the system’s habitable zone, is drawing scientific attention as researchers hunt for ...

Two perplexing structures deep inside Earth might be ancient remnants of our early planet, and they could hold clues about the origin of life.

Researchers have picked up a "heartbeat" pulse from a mysterious "interstellar object" approaching Earth. The visitor, named ...

A rare interstellar comet will sweep past Earth this week at a safe distance, giving scientists a brief chance to study ...

A thick layer of more than 12 miles of rock may explain why Bermuda seems to float above the surrounding ocean.

Chinese researchers have discovered that interstitial carbon in iron-carbon alloys behaves in a superionic, liquid-like state under Earth’s core pressure and temperature conditions. Beneath Earth’s ...