Mars should have loads more water – so where has it all gone?

We have either misunderstood what its early years were like – or it is hiding vast…

My year on Mars: Frontier life of a space doctor

How will the first settlers to the Red Planet get on? Sheyna Gifford should know, after…

Cosmic radio bursts tracked to home galaxy for first time

One repeating example of a fast radio burst has finally been pinned down to a tiny…

Giant ball of gas is a totally stinky galactic chemistry lab

Sagittarius B2 is a molecular cloud about 100 light years wide near the centre of our…

Giant ball of gas is a totally stinky galactic chemistry lab

Sagittarius B2 is a molecular cloud about 100 light years wide near the centre of our…

First test of rival to Einstein’s gravity kills off dark matter

A radical new model of gravity seems to account for bending of light by distant galaxies…

First test of rival to Einstein’s gravity kills off dark matter

A radical new model of gravity seems to account for bending of light by distant galaxies…

Large asteroid impacts may be rare, but we should be prepared

It would be wise to heed calls to build a dedicated rocket primed to defend Earth…

Large asteroid impacts may be rare, but we should be prepared

It would be wise to heed calls to build a dedicated rocket primed to defend Earth…

More giant Earth-like exoplanets will be found next year

Prepare for more exotic super-Earths as the hunt for exoplanets ramps up in 2017, says Stephen…