Astronomy
This is the first close-up image of a star beyond our galaxy
The first-ever close-up of an extragalactic star looks different than expected and might give a view of what stars look like at the end of their lives.
Astronomy
More Stories in Astronomy
- Astronomy
A zombie star’s spiky filaments shed light on a 12th century supernova
A 3-D map of the strange remains of a supernova seen in 1181 traces the odd tendrils of gas that jut out for several light-years in all directions.
- Science & Society
Using AI, historians track how astronomy ideas spread in the 16th century
A new AI machine learning technique helped historians analyze 76,000 pages from astronomy textbooks spanning nearly two centuries.
- Astronomy
Runaway stars could influence the cosmos far past their home galaxies
Dozens of stars fleeing a neighbor of the Milky Way suggest these escapees could have an outsized influence on their cosmic surroundings.
- Space
50 years ago, satellites threatened astronomers’ view of the cosmos
As satellite launches ramp up and the spacecraft clog the skies, astronomers fear for their data.
- Astronomy
Barnard’s star has at least one planet orbiting it after all
After decades of searching, a telltale gravitational wobble points to an exoplanet orbiting the nearby red dwarf every 3.15 days.
- Astronomy
Betelgeuse has a tiny companion star hidden in plain sight
Betelgeuse has a sequel — in the form of a companion star that's about the same mass as the sun, orbiting it about once every 2,100 days.
- Astronomy
Starlink satellites’ leaky radio waves obscure the cosmos
Starlink satellites unintentionally emit radio waves that appear more than 10 million times brighter than natural sources, as seen by ground-based radio telescopes.
- Space
Meet Porphyrion, the largest pair of black hole jets ever seen
The two plasma fountains, spanning 23 million light-years, could shape cosmic structures far beyond their home galaxy.
- Space
How a dying star is similar to a lava lamp
In a first, astronomers captured how convective forces power the quick bubbling movement of gas cells on the surface of a distant, massive star.
