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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
What is a variable star?
What is a variable star? It's a star that brightens and dim in a cycle that might last hours, or weeks, or months, or longer. Astronomers know millions!
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
Citizen scientists provide insights to Jupiter’s clouds in new study
Scientists thought Jupiter's clouds were made of ammonia. But now, in a new study, citizen scientists provide insights showing that's not the case.
January 12, 2025
Mercury images from final flyby of BepiColombo!
ESA released new Mercury images from BepiColombo's final flyby of Mercury on January 8, 2025. The spacecraft will eventually go into orbit around Mercury.
January 10, 2025
Are methane-belching microbes on Mars hiding underground?
A new study suggests microbes on Mars might exist deep below the surface, and in one region in particular. They might even explain Martian mysterious methane.
January 8, 2025
Kiss and capture: A new explanation for Pluto’s largest moon
Pluto and Charon may not have formed in a destructive collision like Earth and its moon, but through a newly discovered "kiss and capture" mechanism.
January 8, 2025
3 years of the Webb telescope: Here’s what it’s discovered
In the 3 years since it was launched, Webb has made a host of intriguing discoveries. Here's a rundown of its most important findings so far.
January 7, 2025
Mystery dark spot on Enceladus intrigues scientists
Scientists found an unusual dark spot on Enceladus while looking at old images sent back by Cassini. The odd reddish-brown patch faded away over 3 years.
January 2, 2025
