Milky Way stars that are high and low in metallicity have been mapped by the ESA Gaia mission. Credit: ESA/Gaia/DPAC ...

NASA’s Roman Space Telescope will map the Milky Way using infrared observations, studying star formation, stellar evolution, star clusters, and hidden galactic structures over a two-year survey.

I/ATLAS comet is the 3rd-ever object discovered that originated from outside our solar system. It's not a threat, approaches ...

Will the Milky Way and Andromeda galaxies collide in several billion years? The odds have changed with a new study using ...

The surprisingly high amounts of chlorine and potassium in a supernova remnant could help solve the mystery of where these crucial elements come from ...

A mysterious interstellar comet known as 3I/ATLAS is about to make its closest approach to Earth in December 2025. Here's ...

NASA's Nancy Grace Roman Space Telescope team has released detailed plans for a major survey that will reveal our home galaxy ...

Astronomers studying the interstellar comet known as 3I/ATLAS have detected a vast and unexpected X-ray halo extending ...

Explore HubbleHubble HomeOverviewAbout HubbleThe History of HubbleHubble TimelineWhy Have a Telescope in Space?Hubble by the NumbersAt the ...

Green-glowing interstellar comet 3I/ATLAS, heading for its December 19 flyby, is spewing key organic 'ingredients for life' ...

Data from the James Webb Space Telescope suggests that exoplanet TOI-561 b is surrounded by a thick atmosphere above a global magma ocean.

From the meteor showers to super moons, this time of year gives us a front row seat to one of the most active regions of the ...