Astronomers measure the speed at which the solar system is hurtling through space by mapping surrounding galaxies and ...

The James Webb telescope may have detected the universe's earliest and most distant known black hole at the heart of galaxy ...

European astronomers report the discovery of a second alien world in the TOI-1422 planetary system located some 500 light ...

Scientists traced the Moon's parent planet Theia to the inner Solar System, solving a 4.5-billion-year mystery.

About 4.5 billion years ago, a colossal impact between the young Earth and a mysterious planetary body called Theia changed everything—reshaping Earth, forming the Moon, and scattering clues across ...

Researchers have pinpointed a super-Earth in the habitable zone of a nearby M-dwarf star only 18 light-years away.

On a chilly morning in February 1930, a young astronomer named Clyde Tombaugh was hunched over a blinking comparator at the ...

Objects such as 3I/Atlas and 1I/ʻOumuamua can help give clues about the formation of worlds far beyond our Solar System.

NASA's Perseverance Mars Rover strikes gold, discovers a trove of ancient rocks on Jezero Crater ...

NASA officials dismissed theories that the interstellar 3I/ATLAS could be an alien spaceship while dropping new photos of the ...

NASA released new images of 3I/ATLAS as it plunged towards the sun, captured by a host of the agency’s robots and probes.

In a groundbreaking study, NASA’s Cassini mission reveals new discoveries about the organic chemistry on Enceladus, one of ...