Astronomers have spotted the largest structure in the universe, a 10 billion year spanning structure that is a total mystery.

Despite weighing about a million times the mass of our sun, the black hole wasn't found at the center of its host galaxy, ...

Every time this doomed star plunges through a supermassive black hole's accretion disk, it loses orbital energy and triggers ...

The asteroid, with a diameter of about 950 feet will come close enough to Earth on Friday to warrant astronomers keeping a ...

Astronomers have observed a tidal disruption event, AT2024tvd, revealing a rogue supermassive black hole devouring a star far ...

NASA's Hubble captured a rare event 600 million light-years away: a black hole devouring a star in a Tidal Disruption Event ...

A Cape Cod astronomer is tracking T Coronae Borealis, a star system that's expected to go nova soon. Here’s what you need to know about this event.

A failed Soviet-era spacecraft that became trapped in Earth’s orbit by mistake more than 50 years ago is expected to make a ...

If this supernova is lopsided, the neutron star can be booted unceremoniously across the galaxy at high speeds, something ...

Cosmos (or Kosmos) 482's orbit has slowly brought it closer to our planet since 1972, and now it's on the cusp of plummeting back to its home world.

Astronomers have discovered a mysterious object in space that may be the smallest galaxy in the Universe, or the oldest star cluster in the Milky Way.

Stunning stellar explosions occur every second across the cosmos – some observable, most too distant to ever know, all of ...