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Illustration of a large asteroid colliding with Earth on the Yucatan Peninsula, forming the Chicxulub crater

Definition

Chicxulub: The asteroid that killed the dinosaurs

A crater at the edge of the Yucatán peninsula in Mexico was created by a massive asteroid that hit Earth 66 million years ago

Space

Mouse embryos have been grown in space for the first time

News

Jeff Goldblum in The Fly

Comment

The scariest sci-fi horror movies for Halloween, chosen by an expert

Culture

Monika Schleier-Smith

Physics

The physicist trying to create space-time from scratch

Features

Is space-time quantum? Six ways to unpick the fabric of the universe

Physics

Is space-time quantum? Six ways to unpick the fabric of the universe

Features

S3F98G Colorful balloons against the light

Space

How the balloon analogy for an expanding universe is almost perfect

Comment

ESA astronaut Andreas Mogensen

Space

ISS livestream: Watch a live link-up with astronaut Andreas Mogensen

News

Herbig-Haro 46/47, captured by NASA's James Webb Space Telescope

Space

JWST should soon glimpse the very first stars born after the big bang

News

A fully deployed OTIS, with the secondary mirror extended over the primary mirror, is removed from Chamber A after a successful thermal-vacuum test in 2017. Seen still in the chamber is a sunshield simulator, called the L5 Simulator, representing the fifth and innermost layer of the sunshield. The telescope would be shipped to the Northrop Grumman facility in California to be integrated with the real sunshield. I was suspended on a lift for this shot. Page 119

Space

A glimpse inside how the James Webb Space Telescope was put together

Regulars

The best new science fiction books of October 2023

Comment

The best new science fiction books of October 2023

From an authorised sequel to George Orwell’s Nineteen Eighty-Four to a collection of newly discovered short stories from the late Terry Pratchett, there is a mountain of brilliant science fiction to get through this month

Culture

Space

Students search desert for lost rocket after attempted launch to space

News

Technology

Super-heatproof computer memory survives temperatures over 500°C

News

Space

Distant galaxies are gobbling up an unexpected amount of gas

News

Space

How to see the northern lights this winter

News