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

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

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

Interstellar comet 3I/ATLAS reaches perihelion hidden from Earth's view. Learn why NASA and ESA spacecraft have a front-row ...

Interstellar comet 3I/ATLAS is passing safely through our solar system. Learn about its discovery, its distant path, and why ...

Two papers authored by astronomer Beatriz Villarroel claim to show that thousands of “transients” in historic astronomical ...

The comet is on what’s known as a hyperbolic trajectory, which means that it doesn’t follow an orbital path around the sun.

As the third confirmed interstellar object to pass through our solar system, 3I/ATLAS is prime for new discoveries. It was ...

Newly discovered multi-wavelength view of a stellar eruption on a young Sun-like star is changing how we think about life's ...

NASA joins the Roman space telescope and key instruments, marking a milestone toward its 2027 launch to reveal the cosmos.

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

NASA's Hubble Space Telescope explores the evolution of spiral galaxy UGC 10043 through images taken 23 years apart, in 2000 ...