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Strange, 7-hour explosion from deep space is unlike anything scientists have seen — Space photo of the week
By Jamie Carter published
Astronomers used major telescopes across the world to probe a cosmic explosion 8 billion light-years from the solar system.

Comet 3I/ATLAS is getting greener and brighter as it approaches Earth
By Brandon Specktor published
New images taken with the Gemini North telescope in Hawaii confirm that the interstellar comet 3I/ATLAS has gotten brighter and greener since its close flyby of the sun in October.

James Webb telescope uncovers a new mystery: A broiling 'hell planet' with an atmosphere that shouldn't exist
By Tia Ghose published
James Webb finds a hot planet that is tidally locked with its parent star, is coated with a thick atmosphere of volatile chemicals.

See up to 150 'shooting stars' per hour this weekend as the Geminid meteor shower reaches its stunning peak
By Jamie Carter last updated
The Geminid meteor shower peaks this weekend! The Geminids peak overnight on Dec. 13 and 14, when up to 150 "shooting stars" per hour will rain down on Earth in a near-moonless night sky.

'A scale almost too big to imagine': Scientists spot monster black hole roaring with winds at more than 130 million mph
By Joanna Thompson published
A black hole 30 million times the mass of the sun has produced winds one-fifth the speed of light, stunning scientists.

Rarrr! James Webb telescope spots 'monster stars' leaking nitrogen in the early universe
By Elizabeth Howell published
Researchers using the James Webb Space Telescope spotted huge stars leaking nitrogen in an early galaxy, hinting that such 'monster stars' might have been the source of ancient supermassive black holes.

Time moves faster on Mars, posing new challenges to crewed missions
By Deepa Jain published
Clocks on Mars tick faster by about 477 microseconds each Earth day, a new study suggests. This difference is significantly more than that for our moon, posing potential challenges for future crewed missions.

When does winter start? Your guide to the 2025 winter solstice.
By Jamie Carter published
Astronomical winter begins Sunday, Dec. 21 in the Northern Hemisphere. Here's how the solstice works.

Scientists spot 2 black holes that took turns slaughtering 1 unlucky star
By Paul Sutter published
A strange X-ray signal spotted decades ago may be the result of a star that got attacked by two black holes, one after the other.

This bright star will soon die in a nuclear explosion — and could be visible in Earth's daytime skies
By Ivan Farkas published
The bright binary star system V Sagittae will flare up multiple times before finally going supernova within the next 100 years. When it explodes, it could be visible to the naked eye even in sunlit skies.
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