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Mathematics

The mathematical theory that made the internet possible

Information theory tells us the limits of what can and cannot be communicated – and without it, the digital revolution could never have happened

News

2XGTH8A In this image from video provided by NASA, astronauts Suni Williams, left, and Butch Wilmore give a news conference aboard the International Space Station on Wednesday, July 10, 2024. (NASA via AP)

Space

The Starliner stranding shows why NASA was wise to have a backup plan

Leader

Space

SpaceX's Polaris Dawn crew set to attempt the riskiest spacewalk yet

News

Space

Stranded ISS astronauts reveal the US space programme is not in crisis

Analysis

Space

JWST found rogue worlds that blur the line between stars and planets

News

Chandra X-ray Observatory

Space

Why we need to save the Chandra space telescope

Comment

Illustration of NASA's Europa Clipper passing Europa

Video

Sam Howell: ‘One day we might look for life directly on Europa’

Video

Space

Lightning can make energy waves that travel shockingly far into space

News

Physics

How Einstein was both right and wrong about gravitational waves

News

Space

Two NASA astronauts may be stuck on the space station until February

Boeing’s Starliner spacecraft had so many problems during its first crewed launch to the International Space Station that NASA officials aren’t sure whether it will be able to bring its crew back home as planned

News

Space

Critics of the International Space Station are missing the point

Leader

Space

Five of the most important International Space Station experiments

Features

Space

Inside NASA’s ambitious plan to bring the ISS crashing back to Earth

Features

Space

Banana-shaped galaxies are helping unpeel the mysteries of dark matter

News