The strange behavior of hypervelocity stars suggests a nearby dwarf galaxy must contain a supermassive black hole. If so, a ...

The Hubble Space Telescope’s latest stunning images have allowed scientists to solve the mystery of the Bullseye Galaxy’s plentiful rings.

Nasa is directing the James Webb Space Telescope to track asteroid 2024 YR4, whose collision risk with Earth has risen to 2.3 ...

The James Webb Space Telescope will be helping to track asteroid 2024 YR4, which has a 2.3% chance of impacting Earth in 2032.

A decade ago, physicists using twin detectors in Washington State and Louisiana detected gravitational waves—subtle ripples ...