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Galaxies

Physics

We've found a bunch of dwarf galaxies we thought didn't exist

The missing dwarf galaxies around the Milky Way have been found. Their existence means dark matter could be made of particles that are warmer than we expected

News

Stuff artwork 1

Physics

How a fiery matter-antimatter union may lead to limitless energy

Features

The message we're sending to nearby aliens is no threat to Earth

Space

The message we're sending to nearby aliens is no threat to Earth

Comment

The New Horizons spacecraft is heading towards a mystery rock

Physics

The New Horizons spacecraft is heading towards a mystery rock

News

Dark energy survives neutron star crash test while rivals fail

Space

Dark energy survives neutron star crash test while rivals fail

News

Galaxy

Space

Why our 'freakish' galaxy has got cosmologists seriously worried

Comment

Illustration of colliding neutron stars

Space

Gravitational waves have let us see huge neutron stars colliding

News

The Milky Way

Space

We can finally map the spiral arm on the far side of the galaxy

News

Model of universe structure

Space

Half the universe’s missing matter has just been finally found

News

The sun's disc

Space

The sun's energy could speed up dark matter so we can detect it

If dark matter is made of ultra-light particles with very little energy, one way to find them is to catch them after they ricochet off the sun

News

Space

Far-off galaxies are firing rare high-energy cosmic rays at us

News

Space

Mysterious flashing star seems destined for an explosive end

News

Space

‘Alien megastructure’ star may host Saturn-like exoplanet

News

Space

Speedy white dwarf may have survived a rare type of supernova

News