JWST takes a jab at the mystery of the universe’s expansion rate
JWST’s new detections are the most precise of their kind, but they don’t clear up a baffling puzzle about the cosmos.
JWST’s new detections are the most precise of their kind, but they don’t clear up a baffling puzzle about the cosmos.
Matter can be broken down to basic atoms, but you can also go far smaller than that: baryonic matter, quantum states, dark matter, and more.
Amateur photographers discovered a new stellar feature near the Andromeda Galaxy to win the Astronomy Photographer of the Year 2023 awards.
The supernova SN2023ixf was discovered just 21 million light years away—essentially next door, as exploded stars go.
The April 2023 stargazing guide includes a rare total solar eclipse, a bright comet flyby, a Pink Moon, and the Lyrid meteor shower.
On Tuesday, March 28, 2023, five planets will align in the night sky: Jupiter, Mercury, Venus, Uranus, and Mars. Use these tips to spot each one.
Infrared images from the James Webb Space Telescope helped astronomers study the ages of different-shaped galaxies around our universe.
Gift the objectively super-cool pastime of exploring the universe with these Black Friday telescope deals.
Cultures separated by hemispheres, with no known contact, see remarkably similar constellation patterns in the night sky. Here’s why.
Astronomers map a galactic underworld of stars that sheds light on what might happen when our galaxy comes to an end.