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Earth’s asteroid mini-moon a chunk of the moon?
Earth had an asteroid mini-moon late last year for 2 months. Now scientists say that the mini-moon was likely a chunk of our moon ejected in an impact.
January 23, 2025
Lakes on Mars had ripples! They must have been ice-free
At least some ancient lakes on Mars were ice-free. NASA's Curiosity rover discovered evidence for small wind-blown ripples on the former lakes in Gale crater.
January 22, 2025
Pandora exoplanet telescope to launch in late 2025
The spacecraft bus for the Pandora exoplanet telescope has been complete. Pandora will analyze atmospheres of at least 20 exoplanets after its 2025 launch.
January 22, 2025
Andromeda galaxy: Hubble’s largest photomosaic yet
Astronomers have created the largest photomosaic of the Andromeda galaxy yet using Hubble data. The image helps trace the hidden history of Andromeda.
January 21, 2025
Wow! Binary star’s dusty rings shine in new Webb images
NASA's Webb Space Telescope has taken stunning new images of a binary star's dusty rings. The rings of Wolf-Rayet 140 are expanding at 1% the speed of light.
January 19, 2025
Do aliens exist? What scientists really think
Aliens probably exist according to a survey of more than 1,000 scientists. Nearly 87% of them believe in extraterrestrial life.
January 19, 2025
Little Red Dots might indicate ancient, growing black holes
Astronomers studying Webb's mysterious Little Red Dots have found evidence they could be ancient galaxies with black holes growing at their centers.
January 16, 2025
Why are these black hole X-ray flashes accelerating?
Astronomers at MIT have observed unusual black hole X-ray flashes that are accelerating in frequency. A white dwarf star near the black hole might be the cause.
January 15, 2025
Huygens landed on Saturn’s moon Titan 20 years ago
On January 14, 2005, the Huygens spacecraft descended through the atmosphere of Saturn's moon Titan and landed on its surface. See the images of Titan.
January 14, 2025
Surprising spiral galaxy hosting a quasar jet
A recent Hubble image reveals a spiral galaxy hosting a quasar. Typically, quasars are older galaxies that have grown very massive and are not spiral shaped.
January 13, 2025
