The discovery expands Uranus’s known family of satellites to 29, with the tiny moon measuring just 6 miles across.

Galaxy merger Arp-Madore 417-391 is on display in this new image captured by the Hubble Space Telescope's Advanced Camera for ...

The James Webb Space Telescope's s MIRI and NIRCam instruments have captured an amazing view of spiral galaxy NGC 2090. The ...

NASA’s James Webb Space Telescope discovered a tiny new moon, S/2025 U1, orbiting Uranus, raising its moon count to 29.

Avi Loeb said bases this hypothesis on a July 21 image captured by the Hubble Space Telescope and shared by NASA.

The impending merger of the two galaxies hints at what might be in store for the Milky Way and the Andromeda galaxy if and ...

A new set of data strengthens the case that dark energy’s influence on the universe—long believed to be constant—is actually changing over cosmic time.

NASA says its Perseverance rover on Mars has transmitted new imagery that forms one of the sharpest panoramas of the Martian ...

By using Hubble’s advanced instruments, scientists plan to map 19 nearby galaxies. They aim to identify more than 50,000 nebulae in total.

A screenshot taken of a USGS live stream at 3:22 p.m. HST shows active fountaining from the north vent of Halemaʻumaʻu crater ...

The observatory's powerful ultraviolet tools discovered in the star's atmosphere an even higher surge of carbon than ...

Astronomers using the James Webb telescope alongside Canada's CHIME telescope have pinpointed the origin of one of the ...