A coronal mass ejection on another star has been witnessed in its entirety for the first time, revealing that when these ...

The Hubble Space Telescope was originally expected to last about 15 years in orbit, before its optical surfaces became too ...

Astronomers have witnessed a young star, EK Draconis, unleash a powerful, multi-temperature plasma eruption, offering a rare ...

Astronomers discovered a new rogue planet lurking in archival data gathered by the Hubble Space Telescope, and the find is thanks to a little serendipity — and a little help from the genius himself, ...

NASA's Chandra X-ray Observatory and Hubble Space Telescope confirmed the existence of a companion star orbiting Betelgeuse, ...

On April 24, 1990, all 24,000 pounds of the Hubble Space Telescope were tucked away inside the Discovery space shuttle when it launched into space. Thirty-five years later, NASA says Hubble has proven ...

Astronomers have used simultaneous ground-based and space-based observations to measure the temperature and velocity of gas ...

This NASA/ESA Hubble Space Telescope image features the planetary nebula Kohoutek 4-55. ESA/Hubble & NASA, K. Noll When a star comes to the end of its life and dies, it can be an epic and destructive ...

In celebration of the 35th anniversary of the Hubble Space Telescope’s launch into orbit, astronomers aimed the legendary telescope at a selection of photogenic space targets, stretching from inside ...

The Hubble Space Telescope's evidence of an "intermediate-sized" black hole about 6000 light-years away in the closest ...

Exoplanet hunters Christopher Watson and Annelies Mortier explain the long search for a 'twin Earth' capable of sustaining ...