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Astronomy

Space

Filming the universe’s biggest dramas: Best ideas of the century

Astronomers used to rely on chance to catch a glimpse of fleeting explosions in space. A fresh approach to watching these flashes has completely transformed astronomy

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Humans

91av’s guide to the 21 best ideas of the 21st century

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Space

Earliest ever supernova sheds light on the first stars

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Space

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

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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 "path of totality" in order to experience a total solar eclipse. (Photo by Natalie Behring/Getty Images)

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

More than half a million satellites are planned to launch by the end of the 2030s, and simulations suggest they will have a severe impact on space-based astronomy

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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

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Space

Exceptional star is the most pristine object known in the universe

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