Elon Musk's internet satellites have been a game changer for people in rural areas, but scientists are alarmed that plans to launch thousands more will be perilous for our skies.

New data reveals a 3-million-light-year filament connecting two galaxies, each of which hosts a supermassive black hole.

On the Webb telescope, 18 hexagonal mirrors combine to form a massive primary mirror that is 21 feet (6.5 meters) across. The ...

A French astrophotographer recently snapped shots of the moon, Venus, Mars, Jupiter, Saturn, Uranus and Neptune in a single ...

The moon reached its peak brightness at 8:53 a.m. EST (1353 GMT) on Feb. 12, but local moonrise and moonset times will depend ...

A galaxy in the distance, was tightly encircled by a halo of light—also known as an Einstein Ring, a result of gravitational ...

The Webb telescope is well-suited to identify asteroid 2024 YR4's size. Webb views a type of light we can't see with the ...

NASA’s Hubble Space Telescope captured a cameo appearance of the tiny moon Phobos on its trek around the Red Planet. This composite image, from NASA Galileo and Mars Global Survey orbiters, of Earth ...

NASA's Pandora satellite mission to document at least 20 known planets orbiting distant stars will start from SpaceX at its ...

HH 30 is a luminous region surrounding a newborn star, or protostar. The James Webb Space Telescope helped reveals ...

The chances of an asteroid hitting the Earth with enough force to destroy a small country have been increased to 1 in 43.

Hubble Space Telescope discovers galaxy with unprecedented nine rings formed by cosmic collision, located 567 million ...