91É«ÇéƬ

space science

Searching for life on Mars isn’t worth the risk to Earth

Space

Searching for life on Mars isn’t worth the risk to Earth

The Mars Sample Return mission aims to retrieve samples of Martian rock and soil to look for signs of life – but a rethink is needed to ensure Earth’s biosecurity, says Paul Marks

91É«ÇéƬ

20 July 1969. Neil Armstrong?s photos of Buzz Aldrin?s first steps on the Moon. This was what it all boiled down to in the end, even after the unprecedented feats of rocketry and all the extraordinary technical innovation which had safely flown two astronauts to a destination a quarter of a million miles from home: the basic human act of walking.

Space

Walking on the moon: candid photos from astronaut Tim Peake’s new book

Regulars

The best new science fiction books of November 2023

91É«ÇéƬ

The best new science fiction books of November 2023

Culture

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

Definition

Chicxulub: The asteroid that killed the dinosaurs

Space

Mouse embryos have been grown in space for the first time

News

Jeff Goldblum in The Fly

91É«ÇéƬ

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

Life

Vegan cheese made from fermented peas could taste more like dairy

News

Assortment of products with high sugar level like candies, gummy candies, soda, donuts, chocolate, lollipop, wafers and cupcakes on a table.

91É«ÇéƬ

Your ultimate guide to ultra-processed food – how bad is it really?

Highly processed foods, from pizza to bread, are said to be seriously bad for your health. Here is a digestible guide to what the evidence says, to help you make sense of the conflicting claims

Features

Technology

Let's stop making lab-grown meat weird

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Space

How the balloon analogy for an expanding universe is almost perfect

91É«ÇéƬ

Space

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

News

Space

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

News

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