Scientists using the Hubble Space Telescope have measured the size of a small exoplanet just 22 light years away, confirming that it's the closest known Earth-sized world to our solar system to ...

The Hubble Space Telescope observed Earth's atmosphere by using the light reflected off of the Moon during the total lunar eclipse.

Discovered last month by a telescope in Chile, the comet known as 3I-Atlas is only the third known interstellar object to ...

The Hubble Space Telescope has captured the best picture yet of a high-speed comet visiting our solar system from another ...

Taking advantage of a total lunar eclipse, Hubble used the Moon as a mirror to study sunlight that had passed through Earth's atmosphere. As a result, Hubble detected Earth's own brand of ...

The Hubble Space Telescope has recently confirmed that a nearby planet, which is diminutive by exoplanet standards, is 1.07 times the size of Earth.

The Hubble Space Telescope has discovered a trove of fast-moving "candidate" planets in a narrow region near the very center of the Milky Way, and astronomers say there must be billions more of ...

NASA and the European Space Agency recently shared remarkable new images of the interstellar comet 3I/ATLAS, which was ...

With Sky in Google Earth, you can travel across the vastness of the night sky, making tour stops at all the popular Hubble images.

Astronomers discover a rare white dwarf formed by a stellar merger, challenging what we know about star death and cosmic collisions.

Hubble also captured a dust plume ejected from the Sun-warmed side of the comet and a hint of a dust tail streaming away from ...

Decades of effort led to the launch of the Hubble telescope in 1990, but the work was just starting. Here's a look back at the events leading up to Hubble being placed in orbit and the amazing ...