Asgardia, the nation state of space

Russian businessman Igor Ashurbeyli believes that an orbiting space station has the potential to become a sovereign nation in space.

Hubble reveals 10 times more galaxies

The universe suddenly looks a lot more crowded, thanks to a deep-sky census assembled from surveys taken by the Hubble Space Telescope and other observatories.

The Milky Way’s ancient heart

Astronomers found RR Lyrae stars at our Milky Way galaxy's core. They now believe ancient globular star clusters may have merged to form the core of the Milky Way.

The fate of worlds orbiting 2 suns

These Tatooine worlds, as they're called, might be the ultimate survivors, as their 2 stars begin aging in ways that are sometimes threatening or even catastrophic.

Huge gas cloud headed for Milky Way

In about 30 million years, a massive cloud of gas - called Smith's Cloud - will collide with the Milky Way.

Our universe has no direction

The universe isn't spinning or stretched in any particular direction, according to stringent tests from scientists in London.

Giant ‘cannonballs’ shooting from star

The Hubble Space Telescope has detected superhot blobs of gas, each twice as massive as the planet Mars, being ejected near a dying star.

Evidence for a wandering black hole

Astronomers have found another possible rogue black hole, with about 100,000 times our sun's mass. It may have come from a small galaxy falling into a larger one.

A 3rd Saturn moon has subsurface ocean

Saturn's moons Titan and Enceladus are already known to hide oceans beneath their icy crusts. Researchers think there's an ocean deep in Saturn’s moon Dione as well.

A forming solar system with spiral arms

Astronomers are beginning to find spiral structure in forming solar systems, which was earlier predicted by theory.

EarthSky Newsletter

Nearly half a million daily subscribers love our newsletter. What are you waiting for? Sign up today!

Join now to receive free daily science news delivered straight to your email.