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Space

Time appears to run five times slower in the early universe

A phenomenon called cosmological time dilation means that events taking place in the early universe seem to evolve slower than those today

News

Can recreating black holes in the lab solve the puzzles of space-time?

Physics

Can recreating black holes in the lab solve the puzzles of space-time?

Features

Technology

AI chatbots could hit a ceiling after 2026 as training data runs dry

News

A man replaces a magnetic tape data storage drive in an early model office computer, mid 1970s. (Photo by Hulton Archive/Getty Images)

Technology

Magnetic tape: The surprisingly retro way big tech stores your data

Features

Sets of cooling towers in data center building.; Shutterstock ID 368730815; purchase_order: -; job: -; client: -; other: -

Technology

How much water do data centres use? Most tech companies won't say

Insight

Star

Physics

A tiny graphene device could detect neutrinos from the big bang

News

ANKARA, TURKEY - DECEMBER 13: Chemical and hazardous wastes collected through hospitals and collection - sorting plants are being destructed at Recovery and Disposal Facility in Kahramankazan district of Ankara, Turkey on December 13, 2021. (Photo by Berke Bayur/Anadolu Agency via Getty Images)

Chemistry

Chemical waste can be recycled into a range of drugs and fertilisers

News

Martin Rees at home in Cambridge

Video

Martin Rees interview: From the Big Bang, to a billionaire space race

Video

13 of the most profound questions about the cosmos and ourselves

Life

13 of the most profound questions about the cosmos and ourselves

Features

WHY is there something rather than nothing?

Physics

Why is there something not nothing? The big bang isn’t the only answer

The idea that the universe started in the big bang revolutionised 20th-century cosmology. But it seems increasingly unlikely it was a case of something from nothing

Features

Technology

Large Hadron Collider sticks with reels of tape for vast storage needs

News

Space

Why the big bang may not have been the beginning of the universe

Comment

Health

Hannah Ritchie interview: The woman giving covid-19 data to the world

News

Question

How old is the universe?