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Space

Weird clump in the early universe is piping hot and we don’t know why

A galaxy cluster in the early universe is 10 times hotter than it ought to be, which may reshape how we think these enormous structures formed

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Image of night sky

Space

Star that seemed to vanish more than 130 years ago is found again

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Space

More than 100 moons were discovered in our own solar system in 2025

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Space

The best space pictures of 2025, from supernovae to moon landings

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MENAN, ID - AUGUST 21: Locals and travelers from around the world gather on Menan Butte to watch the eclipse on August 21, 2017 in Menan, Idaho. Millions of people have flocked to areas of the U.S. that are in the

Space

The stargazing events to look forward to in 2026

Regulars

Scientists inside a science base in the Moon conduct a variety of humorous experiments. We see a cat chasing after a giant laser beam; a scientist being eaten by a venus fly trap, a star falling through a Christmas tree as a scientist tries and fails to put it on top, a scientist going to a 'moonshine' bar, robots attending a seminar, a scientist trapping a human brain in a forcefield, and scientists stepping through portals. In the sky above the spaceship, Santa is being abducted by aliens.

Physics

Inside the wild experiments physicists would do with zero limits

Features

Space

Planned satellite launches could ruin Hubble Space Telescope images

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Physics

We might have just seen the first hints of dark matter

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Space

Huge cloud of plasma belched out by star 130 light years away

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Space

Galaxies fling out matter much more violently than we thought

An analysis of the afterglow of the big bang sheds light on how black holes distribute mass in the universe, and why some matter previously seemed to have been missing

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Space

Exceptional star is the most pristine object known in the universe

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Space

Astronomers captured an incredible view of M87’s black hole jet

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Space

We finally found the hot wind coming out of our black hole

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Space

How faster-than-light explosions could reveal the universe’s secrets

Features