As a result of the merger and this ‘recoil’ from the event, the newly combined black hole accelerated to 31 miles per second.

The longest gamma-ray burst ever recorded did not behave like a quick cosmic flash. Instead, it burned across the sky for ...

Fresh simulations show there is a chance Uranus and Neptune might actually be rock-rich worlds wrapped in thinner icy layers.

The Würzburg-led research unit "Relativistic Jets in Active Galaxies" has been investigating the powerful plasma beams emitted by supermassive black ...

The absolute best time to observe is when the radiant is at its highest in the sky, called "culmination", which happens ...

A stronomers using the JWST have traced the source of a long-duration gamma-ray burst back to a supernova that exploded ...

The exoplanet, discovered by Northwestern University astronomers, orbits two suns exactly like Luke Skywalker's fictional ...

The observatory atop Witmer Hall is one half of the project. The other half, a laser lab, resides in the basement.

The Webb space telescope observed a supernova that took place when the universe was 730 million years old, setting a new ...

A team of astronomers including George Washington University physics Ph.D. student Eliza Neights recorded an extraordinary ...

Current physics is speeding toward a breaking point, as astronomers confirm that the Hubble tension in new data.

And why many scientists are freaked out about the first serious for-profit company moving into the solar geoengineering field.