Interstellar objects are so uncommon as to be subject to observation only once every few years and so far we learn something ...

The idea sounds simple enough when reduced to its basics. Put reflective surfaces in orbit and redirect sunlight back to Earth after sunset. A Califor.

Some stars appear to defy time itself. Nestled within ancient star clusters, they shine bluer and brighter than their neighbors, looking far younger than their true age. Known as blue straggler stars, ...

Optical proof of a tiny companion orbiting supergiant star Betelgeuse is hard to come by. Hubble just spotted new evidence.

China’s Xuntian space telescope completed a full performance simulation, confirming operational readiness for its planned ...

Mock observations test the performance of the Chinese Space Station Telescope as the 2-meter-class observatory moves closer ...

Former Google CEO Eric Schmidt and his wife, Wendy, recently announced that they would finance, out of their own pocket, a ...

The James Webb Space Telescope captured a colorful portrait of a nearby stellar cradle, revealing a wealth of insights about ...

This collection of new images taken by NASA’s Hubble Space Telescope showcases protoplanetary disks, the swirling masses of ...

In 2026, astronauts will travel around the moon for the first time since the Apollo era, powerful new space telescopes will ...