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What is dark energy, and could it destroy the universe?

Video

What is dark energy, and could it destroy the universe?

If dark energy has its way, the universe may rip itself apart. Astrophysicist Kathy Romer gives the low-down on this enigmatic stuff.

Video

Space junk: How to clean up the debris in orbit around Earth

Video

Space junk: How to clean up the debris in orbit around Earth

Video

Weird magnetic threads in sun's corona seen for the first time

Space

Weird magnetic threads in sun's corona seen for the first time

Regulars

Astronomical time can help us put lockdown into perspective

Space

Astronomical time can help us put lockdown into perspective

Comment

We know the best spots to look for alien life – can we get to them?

Space

We know the best spots to look for alien life – can we get to them?

Culture

Long space flights can increase the volume of astronauts’ brains

Space

Long space flights can increase the volume of astronauts’ brains

News

We may have spotted a parallel universe going backwards in time

Space

We may have spotted a parallel universe going backwards in time

Features

Cecilia Payne-Gaposchkin: The unsung discoverer of star chemistry

Space

Cecilia Payne-Gaposchkin: The unsung discoverer of star chemistry

Culture

Water ice in a crater on Mars

Mars may have had hot springs millions of years ago

News

Asteroid

Life

Dino-killing asteroid choked whole world in dust within a few hours

When a large asteroid hit the Earth 66 million years ago, it sent huge curtains of dust flying tens of kilometres up into the air that quickly covered the planet

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Space

We still don't understand a basic fact about the universe

Comment

Space

Mysterious crater on Mars could be a good place to look for life

Regulars

Space

Lettuce grown on space station is just as good as on Earth

News

Space

SpaceX plans to send 3 tourists to the space station next year

News