Rare images show role of collisions in galactic evolution

These six rare and exquisite images of galactic evolution were taken by the Hubble Space Telescope.…

How to spot an alien megastructure: The new search for Dyson spheres

Intelligent extraterrestrials may have built vast solar power plants around their host stars. The hunt for…

Puzzling signal on Saturn’s moon Rhea may finally be explained

NASA’s Cassini mission spotted a strange signal coming from Saturn’s second-largest moon Rhea – it may…

Astronomers spot amazing six-star system with three sets of eclipses

Astronomers have spotted a sextuple star system – in which six stars orbit each other –…

NASA gives up trying to burrow under Mars surface with 'mole' probe

For nearly two years, a heat probe attached to NASA’s InSight lander, nicknamed the mole, has…

An Earth-like planet might orbit our closest single sun-like star

Tau Ceti is a star just 12 light years away – and it could host a…

Most distant quasar may help us solve how enormous black holes form

Astronomers spotted a quasar containing a supermassive black hole about 13 million light years away, which…

White dwarfs seen eating the remnants of destroyed planets

Signs of the metals that make up Earth’s crust have been seen in the light coming…

We may have found hints of gravitational waves permeating the universe

When supermassive black holes merge, they create a low thrum of gravitational waves that permeates the…

The Milky Way may have less dark matter than astronomers thought

Our galaxy may have slightly less dark matter than expected from theoretical estimates, according to a…