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Space

LED satellite

Space

Satellites with flashing LEDs could help avoid catastrophic collisions

It鈥檚 difficult to keep track of satellites in Earth鈥檚 orbit and avoid collisions 鈥� making them flash dimly should help, without interfering with astronomical work

News

Environment

How are sand dunes formed and why do they even exist?

Features

Space

The Orion Nebula is now visible in the sky – here鈥檚 how to find it

Regulars

Physics

Why the vast emptiness of space isn’t really that empty after all

News

Physics

Carlo Rovelli: Where does the stuff that falls into a black hole go?

Culture

Humans

Carlo Rovelli鈥檚 new book: Eclectic essays on physics, history and more

Culture

Earth

International Space Station image shows beauty of the world’s oceans

Regulars

Life

Alien life may exist on Venus but intelligence could be harder to find

News

Space

To understand signs of life on Venus we must do chemistry on Earth

News

Life

Missions to confirm signs of life on Venus are already in the works

Confirming potential signs of life on Venus may require a trip there, and several missions from governments and private space firms are already being designed

News

Life

Why we’re in for a long wait to hear from intelligent aliens

Features

Meet NASA’s latest Mars Rover: Will Perseverance find life in 2021?

News

Space

It鈥檚 time to for us to revisit Venus to uncover its many mysteries

News

Space

Glittering image of Andromeda galaxy takes top photography award

Regulars