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Astronomy

Physics

Mathematicians have found the shortest route to visit 2 million stars

The travelling salesman problem 鈥� finding the shortest route between many locations 鈥� is notoriously tough, but it has now been solved for a map of over 2 million stars

News

Space

Mars is unusually close this month 鈥� here’s how to spot it in the sky

Regulars

Environment

Climate change and big tech are jeopardising the future of astronomy

News

Space

An Earth-sized rogue planet is roaming the galaxy without a star

News

Space

How to spot a Starlink satellite in the night sky

Regulars

Space

This 3.2 gigapixel cauliflower is the largest photograph ever taken

News

Life

Strange worlds unlike Earth may be our best bet to find alien life

Features
Large Magellanic Cloud

Space

Strange fast-moving clouds of gas may be suffocating the Milky Way

News
Arecibo damage

Space

Snapped cable slashes a devastating hole in Arecibo radio telescope

News

Physics

Why dark matter should be called something else

There are many things that we don't understand about dark matter, but whether it is actually dark isn't one of them, writes Chanda Prescod-Weinstein

News

Space

Ancient serene galaxy suggests the early universe was eerily calm

News

Space

The best view of the stars from Earth is on a hill in Antarctica

News

Physics

Black holes are hiding movies of the universe in their glowing rings

Features

Earth

Stunning night sky pictures shortlisted for astronomy photo prize

Regulars