A star located about 1,300 light-years from Earth shows signs of having devoured one of its planets — and is now gearing up ...

Interstellar comet 3I/ATLAS carries isotopic ratios entirely outside the Solar System range, ESO’s Very Large Telescope has ...

Observations with the Euclid Space Telescope and ground-based facilities, including the Subaru Telescope, have led to the ...

Massive galaxies? Dusty black holes? Black hole stars? Scientists have raised a lot of theories around what the crimson blobs ...

Avi Loeb, a Harvard astronomer who has made headlines with his theories about alien encounters, will lead a White House ...

A polarizing Harvard astronomer known for splashy theories about alien visits has been tapped by the White House to lead a ...

Avi Loeb, a distinguished cosmologist who previously led Harvard’s astronomy department until 2020 and conducted extensive ...

This brilliant new image, taken by Europe’s Euclid space telescope, offers a preview of the kind of imaging that will be ...

The International Space Station is now home to an even more capable quantum laboratory, where NASA cools atoms to nearly ...

It is believed that its mass is 25 times that of Jupiter and that this body is between 2.5 and 4 billion years old.

Astronomers have detected a thin atmosphere around a tiny celestial body in the outer solar system for the first time — an object previously thought to be too small to support the presence of an ...