Discovered on July 1 by the NASA-funded ATLAS telescope in Chile, 3I/ATLAS is only the third confirmed visitor from another ...

In a cosmic spectacle that has astronomers buzzing, the interstellar comet 3I/ATLAS streaks through our solar system, its ...

NASA’s Hubble Space Telescope captured a deeper look at interstellar comet 3I/ATLAS, with its Wide Field Camera 3 instrument, ...

The cometary cameraman was not the only one to snap the celestial snowball of late. On November 30, NASA’s Hubble Space ...

CAPE CANAVERAL, Fla. — Spacewalking astronauts gave the Hubble Space Telescope a more commanding view of the cosmos by installing a new high-tech instrument Saturday, then pulled off their toughest ...

Spacewalking astronauts successfully replaced the Hubble Space Telescope's main camera, which has taken many of the telescope's most famous images, after wrestling with a stubborn bolt that refused to ...

There is an important and unresolved tension in cosmology regarding the rate at which the universe is expanding, and ...

A problem that arose in NASA’s Hubble Space Telescope over the weekend means that many of the orbiting telescope’s key capabilities may be permanently lost, officials announced Monday. The observatory ...

In what amounted to electronic brain surgery, a space-suited astronaut cut through shielding on a broken camera deep inside the Hubble Space Telescope on Saturday, removed a cover plate that wasn't ...

First motion is almost always a big event in the world of space exploration. Whether the first motion is of a wheel beginning to rotate or a rocket lifting off the pad, first motion means things are ...