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

Astronomer using Hubble discovers "young stars that are spiraling into the center of a massive cluster of stars in the Small ...

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

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

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

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

A young Sun-like star ejected both hot (100 000 K) and cool (10 000 K) plasma in a single event, offering new insight into ...

Astronomers using Hubble and ground telescopes observed a two-phase coronal mass ejection from EK Draconis, a young Sun-like star.

An interstellar comet that originated outside our solar system just made its closest pass of the sun, setting it on an outgoing path — but it’s not leaving our cosmic ...

For most of its journey 3I/ATLAS has been frozen solid, but the warming rays of our Sun are enough to unfreeze some of its gases such as carbon dioxide, generating a faint cometary tail. For a period ...

Interstellar comet 3I/ATLAS has been flying around the sun to reach perihelion (its closest point to the sun) on Thursday ...