91É«ÇéƬ

solar system

The sun shrinks and grows again by 2 kilometres every 11 years

Space

The sun shrinks and grows again by 2 kilometres every 11 years

The sun’s size changes throughout its 11-year cycle of magnetic activity, and measuring that growth may help us figure out what’s going on inside

News

planet

Space

Why weird star systems are where we'll find alien life

Features

Fossil-free Dutch vehicles line up for a cool future

Technology

Fossil-free Dutch vehicles line up for a cool future

Culture

Passing star may have disturbed the solar system billions of years ago

Space

Passing star may have disturbed the solar system billions of years ago

News

We’ve found 12 new moons orbiting Jupiter – and one is probably doomed

Space

We’ve found 12 new moons orbiting Jupiter – and one is probably doomed

News

Solar tornadoes

Space

Tornadoes on the sun could blast hot plasma towards Earth

News

Interstellar visitor ‘Oumuamua may be a comet, not an asteroid

Space

Interstellar visitor ‘Oumuamua may be a comet, not an asteroid

News

A cell infected with HIV

91É«ÇéƬ

We can tweak immune cells to be much better at wiping out HIV

News

The New Horizons probe is awake and ready for its next flyby

Space

The New Horizons probe is awake and ready for its next flyby

News

A day used to be less than 19 hours long 1.4 billion years ago

Space

A day used to be less than 19 hours long 1.4 billion years ago

The moon is making days on Earth last longer and longer, and we can track the changes through climate effects seen in the geological record

News

91É«ÇéƬ

We’re beginning to understand how some people can control HIV

News

Space

Pluto is not a planet – it's a billion comets squished together

News

Space

Why Saturn's inner moons look like ravioli, cigars and potatoes

News

Space

Weird backwards asteroid may be an interstellar interloper

News

Piano Exit Overlay Banner Mobile Piano Exit Overlay Banner Desktop