We may know why Jupiter’s Great Red Spot is red instead of white

The gases in Jupiter's atmosphere should form white clouds, so why do they look red? Two…

Dark matter may be the source of antimatter streaming past Earth

Two nearby powerful pulsars aren’t responsible for the stream of antimatter positrons snaking past Earth, so…

Dark matter may be the source of antimatter streaming past Earth

Two nearby powerful pulsars aren’t responsible for the stream of antimatter positrons snaking past Earth, so…

We just sent a message to try to talk to aliens on another world

We've just sent a message to a nearby star to see if there's any life there…

A layer of haze keeps Pluto’s atmosphere extremely cold

Pluto is far from the sun, so astronomers expect its atmosphere to be cold, but it's…

A layer of haze keeps Pluto’s atmosphere extremely cold

Pluto is far from the sun, so astronomers expect its atmosphere to be cold, but it's…

We’ve just found a nearby exoplanet that could be right for life

A newly discovered nearby world is probably close in size and temperature to Earth. This exoplanet…

We’ve just found a nearby exoplanet that could be right for life

A newly discovered nearby world is probably close in size and temperature to Earth. This exoplanet…

The ‘space nation’ Asgardia just launched its first satellite

Asgardia is a 'virtual nation' that says it aims to build sovereign colonies in space. On…

We found our galactic twin 180 million light years away

Astronomers have spotted a trio of galaxies that look remarkably like the giant spiral of the…