Mysterious water-like streaks on Mars might be sand flows instead

We thought the dark lines that appear on Martian slopes each summer were flowing salt water,…

How the sun abducted dwarf planets from an alien solar system

The weird orbits of some bodies in the outer solar system reveal they are booty from…

Gentle breeze may help Venus’s atmosphere spin like crazy

The atmosphere of Venus rotates much faster than the planet itself. A newly detected wind could…

Gentle breeze may help Venus’s atmosphere spin like crazy

The atmosphere of Venus rotates much faster than the planet itself. A newly detected wind could…

Cosmological ruler could help us get the measure of dark energy

Measuring how the distance between galaxies changes is key to working out how dark energy drives…

Cosmological ruler could help us get the measure of dark energy

Measuring how the distance between galaxies changes is key to working out how dark energy drives…

Asteroid clay is a better space radiation shield than aluminium

Cosmic radiation poses one of the biggest health risks for astronauts on long space missions, but…

Dark matter took its time to wrap around early galaxies

Large spiral galaxies today rotate more quickly than they should, but was it always that way?…

Dark matter took its time to wrap around early galaxies

Large spiral galaxies today rotate more quickly than they should, but was it always that way?…

TRAPPIST-1 worlds are close enough for life to hop between them

Some think life came to Earth from Mars on a meteorite. If this sort of thing…