Proxima Centauri really does orbit its two bright neighbours

After a century of speculation, we now know the little planet-bearing star revolves around Alpha Centauri…

Moon-dust cake mix shows moon may have had water from the start

Early moon geology recreated in the lab suggests water was there to begin with, not added…

Moon-dust cake mix shows moon may have had water from the start

Early moon geology recreated in the lab suggests water was there to begin with, not added…

SpaceX wants to launch more satellites than are already in orbit

Elon Musk’s space firm is seeking permission to launch 4425 satellites into space with the aim…

Hubble rounds up the first worlds we’ll check for alien life

The space telescope is set to spend hundreds of hours over the next year picking out…

Hubble rounds up the first worlds we’ll check for alien life

The space telescope is set to spend hundreds of hours over the next year picking out…

Gravity may have chased light in the early universe

A new twist on a controversial idea suggests the speed of light varied just after the…

Gravity may have chased light in the early universe

A new twist on a controversial idea suggests the speed of light varied just after the…

A dash of hydrogen and methane could have kept Mars warm

The Red Planet’s thin atmosphere of carbon dioxide can’t retain enough heat for water to flow…

A dash of hydrogen and methane could have kept Mars warm

The Red Planet’s thin atmosphere of carbon dioxide can’t retain enough heat for water to flow…