Articles sur Cosmology

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British theoretical physicist and cosmologist, Professor Stephen Hawking in 2014. EPA/Andy Rain

Tributes pour in for Stephen Hawking, the famous theoretical physicist who died at age 76

Stephen Hawking inspired people with his work on black holes and other mysteries of the universe. Many were quick to pay tribute to the theoretical physicist who died today in the UK, aged 76.
Stephen Hawking at Gonville & Caius College, Cambridge in 2015. lwpkommunikacio/flickr

A timeline of Stephen Hawking’s remarkable life

Hawking's most famous book, A Brief History of Time, sold 10 million copies and was translated into 40 languages, skyrocketing to the top of the bestseller lists in the US and UK.
Artist’s impression of the collision of two neutron stars, the source of the latest gravitational waves detected. National Science Foundation/LIGO/Sonoma State University/A. Simonnet

At last, we’ve found gravitational waves from a collapsing pair of neutron stars

Astronomers have finally confirmed the source of the latest detected gravitational waves was the collission of a pair of neutron stars, what they'd been searching for all along.
Part of the new map of dark matter made from gravitational lensing measurements of 26 million galaxies in the Dark Energy Survey. Chihway Chang/University of Chicago/DES collaboration

What a new map of the universe tells us about dark matter

We still can't see the dark matter thought to make up about a quarter of the universe, but at least now we have a map of its structure.
The Andromeda Galaxy, just part of a finely tuned universe. Flickr/NASA, ESA, J. Dalcanton, B.F. Williams, and L.C. Johnson (University of Washington), the PHAT team, and R. Gendler

Book review: Do we live in A Fortunate Universe?

A new book explores some of the big questions of why the universe exists and why it seems fine-tuned for life.

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