For 50 years, astronomers have been searching for evidence of winds emanating from the black hole Sagittarius A*. Now, they finally think they have an answer.
The object appears to be older than our solar system itself.
A recent paper reveals we're almost certainly going to collide with a galaxy in the next couple billion years, but it's not the one we thought.
Using multiple wavelengths and some atmospheric jiu-jitsu, astronomers are changing how we see the universe.
A new model shows how magnetism shapes stars, cosmic rays, and even Earth’s space weather.
NASA's Chandra Observatory recently captured an X-ray image that helped identify a dramatic break in one of the galaxy's longest filaments.
New findings flip a previous theory of a planet's end on its head.
The shot of our planet and the great cosmos beyond offers an eerie sense of scale to our quotidian situations on Earth.
The Event Horizon Telescope's famous image of Sagittarius A* may depict an artifact, raising questions about the black hole's true structure.
The magnetic field lines of our galaxy's central black hole are answering some questions about black hole structure.
Webb, Hubble, Keck, and other telescopes gave us unprecedented views of the cosmos this year.
Using its near-infrared camera, the Webb telescope has revealed never-before seen features in the galactic center.
The Royal Observatory Greenwich will announce the winners of its astrophotography contest later this year. Check out these photos from the shortlist.
New research on pulsing stars has shifted the boundary of the Milky Way a few thousand light-years closer to the Andromeda galaxy.
Check out some award-winning imagery of our planet's most otherworldly display.
You can scroll back in time, from more recent galaxies to the most ancient light sources.
A deeper look through a massive cluster has turned up two galaxies that formed just after the cosmic dawn.
These gorgeous images of the sky are shortlisted in Royal Observatory Greenwich’s annual Astronomy Photographer of the Year competition.
ESA's Gaia detected unusual 'starquakes' during its third survey of the galaxy.
Dazzling views of our galaxy from around the world make the cosmos feel within reach.
