The celestial event or planet parade will display the alignment of six planets—Venus, Mars, Jupiter, Saturn, Uranus, and ...

Pinpointing a Milepost Marker Star that Opened the Realm of Galaxies At the dawn of the 20th century, astronomers faced a ...

Exclusive: The pentagon thinks space may be the next battleground, declaring in a sobering new report that it could be the ...

Astronomers have detected fast-repeating radio bursts from a distant "dead" galaxy that should not contain the energy to ...

The International Space Station (ISS) started 2025 with a long-awaited return to EVA activities from the United States ...

Hubble has previously imaged the same nebula, with an image released in 2023 and another shared in 2020. You might also recognize the name of this nebula as it was made world famous when the James ...

The Minor Planet Center in Cambridge, Mass., officially registered the new space rock Jan. 2, saying it was spotted hurling ...

Astronomers have discovered two strange objects that could be young stars — except they're completely surrounded by ice.

In a letter to his replacement, outgoing NASA leader Bill Nelson emphasizes the agency’s activities ‘transcend the length of ...

A private U.S. spacecraft bound for the moon has captured stunning images of Earth one week into its flight.

An unusual looking 33-foot-long object discovered orbiting Earth last year may have come from a surprising place.