A giant wave in the Milky Way may have been created by another galaxy

Was the Milky Way set rippling by another galaxy? Buradaki/Alamy The Milky Way appears to have…

Strange stars full of metals may be created by imploding supernovae

A supernova remnant in the Milky Way galaxy Chandra X-ray Observatory After a star explodes in…

Why we need to save the Chandra space telescope

Chandra X-ray Observatory NASA/CXC & J. Vaughan On 23 July 1999, just months before I started…

Why NASA is sending a probe to Europa – and what it’s looking for

Seen against the backdrop of Jupiter’s dramatic, swirling atmosphere, Europa might at first appear a bit…

Astronomers might finally have explanation for mysterious Wow! signal

The Arecibo telescope in Puerto Rico detected radio signals similar to the Wow! signal NAIC/Arecibo Observatory/NSF…

Strange meteorites have been traced to their source craters on Mars

An impact crater on Mars, with darker material exposed beneath the reddish dust NASA/JPL-Caltech/University of Arizona…

Lightning can make energy waves that travel shockingly far into space

Lightning can produce special waves of energy RooM the Agency/Alamy An overlooked mechanism lets energy from…

Interstellar to Doctor Who: Sci-fi dramas getting science mostly right

Space exploration has long been a staple of sci-fi films and TV, from the epic battles…

Hellish conditions have warped an Earth-like planet into an egg

Exoplanets that get too close to their parent stars experience harsh conditions Nazarii_Neshcherenskyi/Shutterstock A distant Earth-sized…

We keep finding water on Mars – here are all the places it might be

Martian water may be lurking beneath – or even above – the planet’s surface NASA/JPL/USGS Mars…