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General_relativity

Definition

General relativity

General relativity is one of two pillars of modern physics – our working theory of gravity and of the very large, of planets, galaxies and the universe as a whole

Hubble Space Telescope

Definition

Hubble Space Telescope

astronauts

Space

Mission to Mars: The complete guide to getting to the Red Planet

Features

Second law of thermodynamics

Definition

Second law of thermodynamics

Black holes

Definition

Black holes

Earthrise

Definition

Earthrise

International Space Station

Space

NASA will let people pay to stay on the International Space Station

News

We've seen signs of a mirror-image universe that is touching our own

Space

We've seen signs of a mirror-image universe that is touching our own

Features

NASA has selected three lunar landers to bring science to the moon

Space

NASA has selected three lunar landers to bring science to the moon

News

spaceship and planet

Physics

NASA is running a competition to figure out how to settle the galaxy

You have 80 million years, a fleet of starships, and a galaxy to colonise: Go! That’s the problem astrophysicists face in a NASA challenge to settle the stars

News

Space

SpaceX’s bright Starlink satellites are upsetting astronomers

News

Space

By Jupiter! How the solar system’s giant made Earth ripe for life

Features

Space

High Life’s sex and black holes sci-fi intrigues without satisfying

Culture

Comment

We need to rediscover the wonder of space exploration to save Earth

Comment