Researchers using the Hubble Space Telescope have discovered water vapor in the atmosphere of planet K2-18b, located about ...

Set against a backdrop littered with tiny pinpricks of light glint a few, brighter stars, this is NGC 1858, a 10-million-year ...

Hubble Space Telescope Captures a Fascinating Cosmic Occurrence 'Blue Lurker' Star System 2,800 Light-Years From Earth In a ...

A small blue dwarf galaxy passed through the massive Bullseye galaxy. This impact created nine rings of new stars.

The Bullseye is now confirmed to have nine rings, eight of which are visible to Hubble. Researchers confirmed the existence ...

As planets pass in front of their parent stars as viewed from Earth, they cause a tiny dip in the amount of starlight we ...

In the 1920s, astronomers thought that the Milky Way was the entire universe. Hubble's discovery revealed a much bigger ...

A hundred years ago, astronomer Edwin Hubble dramatically expanded the size of the known universe. At a meeting of the ...

The subject of this NASA/ESA Hubble Space Telescope image is a supernova-hosting galaxy located about 600 million light-years ...

Hubble Captures a Distant Supernova The NASA/ESA Hubble Space Telescope has captured a striking image of a supernova and its ...

A Triple Star System Yields an Unusual Surviving Star Unlike our Sun, which exists alone, at least half of the stars in our ...

Hubble’s results suggested the farther away a galaxy was, the faster it was moving away from Earth. Hubble got the lion’s share of the credit for this discovery, but Lowell Observatory ...