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Cosmic microwave background

Definition

Cosmic microwave background

Cosmic microwave background is a sea of radiation that provides us with evidence for the big bang. The big bang is now orthodoxy, although without a theory than unifies general relativity with quantum theory, we’re stuck in explaining exactly what it was or why it happened.

General_relativity

Definition

General relativity

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

Three companies - Orbit Beyond, Astrobotic and Intuitive Machines - have been awarded contracts by NASA to send landers to the moon’s surface in 2020 and 2021

News

Physics

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

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