Nearly 4.5 million years ago, two large, hot stars brushed tantalizingly close to Earth's sun. They left behind a trace in ...

Of the seven Earth-sized worlds orbiting the red dwarf star TRAPPIST-1, one planet in particular has attracted the attention ...

Later in December, the 3I/ATLAS interstellar comet will get as close to Earth as it ever will. Here's what to know.

Dusty stars close to the Milky Way’s black hole stay stable for years. New infrared data shows they survive gravity and ...

Scientists studying samples from the Bennu asteroid located not too far from Earth continue to find clues as to how life ...

According to NASA, Hubble took its latest photo of 3I/ATLAS on November 30 using its Wide Field Camera 3 instrument. At that ...

Interstellar comet 3I/ATLAS is making its closest-ever pass in December. Learn about this mysterious space outsider, its ...

Drawing on the University of Arizona’s renowned strength in interferometry, astronomers from Steward Observatory are leading ...

A planet of diamonds sounds like a fairy tale but 55 Cancri e is no fantasy. Located 40 lightyears from Earth, this ...

Recently, astrophysicist Avi Loeb claimed that 3I/ATLAS boasts a “heartbeat”-like pulse that could provide evidence of the ...

About 4.5 million years ago, a great cosmic dog kicked past our Solar System – and its effects may still be seen today.

Samples collected from the asteroid Bennu are continuing the shed light on the origins of the solar system and how life ...