An unexpected monster black hole was found hiding inside one of the Milky Way's tiniest neighbors, rewriting what scientists ...

Centuries before anyone pointed a telescope at the sky, Isaac Newton figured out how gravity works. He showed that any object ...

Theoretical physicist Alex Lupsasca is pushing for a space telescope to glimpse the thin ring of light that is thought to surround every black hole.

Two unusual gravitational-wave events, discovered by the LIGO-Virgo-KAGRA colloboration, enhance our understanding of black ...

So much happened in the earliest moments of the universe. Elementary particles appeared, the first nuclei of hydrogen and ...

NASA's Chandra X-ray Observatory and Hubble Space Telescope confirmed the existence of a companion star orbiting Betelgeuse, ...

As the collapsed core of a massive star, a neutron star is a small but incredibly dense object, packing up to three times the ...

In a remarkable cosmic event, astronomers have detected a black hole-star merger that has resulted in the longest gamma-ray ...

When space telescopes blazed with high-energy radiation for hours earlier this year, astronomers suspected that they were ...

Considering the immense size of the universe, it's no surprise that space still holds plenty of secrets for us. Recently, ...

Astronomers recorded the longest gamma-ray burst in history, GRB 250702B, that may be a cosmic event completely new to ...

Fontaines DC aren't performing tonight - so we’re treated to a pre-recorded live performance of their song Starburster, in ...