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'Interstellar visitor' 3I/ATLAS could be the oldest comet ever seen — and could grow a spectacular tail later this year
By Harry Baker published
New simulations have narrowed down where the newly discovered interstellar comet 3I/ATLAS likely came from, revealing it could be more than 3 billion years older than the solar system.

Scientists detect most massive black hole merger ever — and it birthed a monster 225 times as massive as the sun
By Ben Turner published
New gravitational wave findings from the LIGO-Virgo-KAGRA Collaboration report the discovery of the largest black hole merger ever. It could lead to evidence of an extremely rare type of black hole.

100 undiscovered galaxies may be orbiting the Milky Way, supercomputer simulations hint
By Ben Turner published
Our Milky Way could have many more satellite galaxies than we've detected so far. They're just too faint to be seen.

James Webb and Hubble telescopes join forces to explore a cosmic nursery: Space photo of the week
By Jamie Carter published
The mighty James Webb and Hubble space telescopes united to reveal stars being born inside the Small Magellanic Cloud, which orbits the Milky Way.

Astronomers are racing to study our solar system's newest 'interstellar visitor.' Here's why.
By Harry Baker published
Astronomers have been given the rare opportunity to study an extrasolar object after the recent discovery of the interstellar comet 3I/ATLAS. Experts tell Live Science how they are planning to observe the cosmic visitor.

Parker Solar Probe captures closest-ever photos of the sun during record-breaking flight
By Victoria Atkinson published
During a record-smashing flight through the sun’s corona in Dec. 2024, NASA’s Parker Solar Probe captured the closest-ever images of our home star. Now, NASA has finally revealed what the daredevil probe saw.

Mystery of Mars' missing water could be solved by the planet's tipsy tilt
By Deepa Jain published
Mars has lost immense amounts of water over it lifetime, and scientists aren't sure exactly how. New research hints that the planet's violently varying tilt may be a key factor.

3I/ATLAS: Everything you need to know about the new 'interstellar visitor' shooting through the solar system
By Harry Baker published
Astronomers have spotted a new interstellar object — the third of its kind ever seen — shooting towards us through the solar system. Here's everything you need to know about 3I/ATLAS.
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