Watch a black hole tear half a dozen stars to shreds

Simulations show how stars can survive a black hole.

By Phil Plait 1 min ago

Planet Nine might have been glimpsed by a satellite in 1983... or not

Back in the Neon Decade, something that could have been Planet Nine was seen — and overlooked.

By Elizabeth Rayne 1 day ago

Newly found ultrahot exoplanet has a 16-hour year… and is also doomed

Exoplanet has the shortest orbit ever seen for a gas giant.

By Phil Plait 1 day ago

Closest monster supermassive black hole pair to Earth found in a nearby galaxy

Duo will eventually spiral together and merge.

By Phil Plait 4 min ago

How massive is the Milky Way?

How much stuff is in our galaxy?

By Phil Plait 23 hours ago

Another Tatooine-like exoplanet found orbiting a binary star

Planet found orbiting a binary with two Sun-like stars.

By Phil Plait 3 days ago

Being thankful: Hubble sees a baby star's shadow play

A protostar's disk casts a long shadow across the sky.

By Phil Plait 4 days ago

How NASA's DART mission got an extra push from Redwire tech so it can shove an asteroid out of orbit

Next-gen tech from Redwire is powering NASA's DART mission to go smash an asteroid out of orbit.

By Elizabeth Rayne 5 days ago

Uncertain future: Is Andromeda going to collide with the Milky Way or not?

The Andromeda galaxy may or may not collide with our own in 4 billion years.

By Phil Plait 5 days ago

Two zombie stars are eating their companions and creating cosmic chaos

White dwarfs can eat planets and stars and blast out VAST amounts of energy.

By Phil Plait 6 days ago