For one, scientists observe a "cosmic fossil" called the cosmic microwave background (CMB). The first light that was free to ...

A team led by the Italian National Institute for Astrophysics discovered the most distant known fossil galaxy — a relic of ...

By using light to emulate the structure of space-time, researchers can better understand black holes – and the exotic objects ...

Nothing traveling through space is faster. To put that into perspective: In the time it takes you to blink your eyes, a particle of light travels around the circumference of the Earth more than twice.

A rare Jupiter-sized planet AT2021uey b was found 3,200 light-years away using microlensing, a method based on Einstein's ...

Light’s potential to be precisely controlled in both space and time could lead to more advanced imaging tools for diagnostics and treatment.

NASA's Hubble Space Telescope spotted a supermassive black hole in an unexpected place, 2,600 light-years from the galaxy's core.

It's about (space-)time: Scientists explore new dimension for light by Kirstin Werner, University of Rostock Editors' notes ...