Recently, the Hubble Space Telescope captured a before-and-after image of a star exploding brightly. With the images one year ...

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

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

Explore HubbleHubble HomeOverviewAbout HubbleThe History of HubbleHubble TimelineWhy Have a Telescope in Space?Hubble by the NumbersAt the ...

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

For decades, astronomers have wondered what the very first stars in the universe were like. These stars formed new chemical ...

Massive stars like these are also key players in the cosmic drama of gravitational waves, the ripples in space-time first ...

The provisionally named S/2025 U1 is so small it had gone unnoticed by probes and telescopes for the past 40 years.

Astrophysicist Edwin Hubble was offered a staff position at the Mount Wilson Observatory in 1919 by the founder and director ...

Two colliding galaxies have been found to be reorganizing their dwarf satellites, potentially solving a major conundrum ...

A rare black moon will happen tonight Aug. 22-23. Don't worry too much if you miss it, although it won't happen again for ...

As missions like Kepler and TESS discovered more rocky exoplanets in recent years, scientists looked forward to the launch of ...