When scientists discovered an enormous black hole thousands of light-years from where it ought to be in space, they knew they ...

Turn your smartphone into a smart telescope with Hestia Ultimate Pack for just $259.99 (MSRP $299) — no batteries, bulky gear ...

A new collage from the James Webb Space Telescope reveals eight dazzling examples of gravitational lensing.

A team of astronomers used an "Earth-sized super telescope" to detect an object that emits no light, via gravitational ...

Astronomers had long suspected that certain quasars—those brilliant, otherworldly light sources fueled by supermassive black ...

A team of astronomers have found a mysterious object in the distant universe that could be dark matter or an inactive smaller ...

From Newton’s falling apple to Einstein’s curved spacetime, our understanding of gravity has come a long way, yet this familiar force remains one of the biggest puzzles in physics.

Astronomers have detected one of the darkest objects ever seen at a record cosmic distance—only with the assistance of ...

According to a new Physical Review Letters study, black holes could help solve the dark matter mystery. The shadowy regions ...

Twin satellites are part of this GRACE mission. This orbited Earth in tandem to identify subtle gravity changes. As a result ...

So many fascinating pictures of space don’t actually come from NASA or even a satellite. They come from someone with a telescope and a camera. Astro photography is a cool hobby, but it can be ...

NASMAIN copy purchased with funds from the S. Dillon Ripley Endowment. An account of the century of experimentation that confirmed Einstein's theory of relativity, bringing to life the science and ...