The ultralightweight MIRA space telescope developed by Hyderabad-based EON Space Labs has completed testing to ensure it will ...

If findings are correct, astronomer Tomonori Totani told Newsweek, this may finally solve "the greatest mystery in cosmology.

From the earliest artificial satellites to today's sophisticated space telescopes and GPS constellations, these marvels of ...

Interstellar comet 3I/Atlas has moved within 300 million km of Earth as scientists continue tracking its rare journey.

CHENGDU -- On Haizi Mountain in Daocheng in Southwest China's Sichuan province, with an average altitude over 4,400 meters, a ...

A series of scientific satellites launched by China have achieved major discoveries in fields such as cosmic transient ...

There's always a touch of melancholy when a chapter that has absorbed years of work comes to an end. In the case of the ...

NASA has an audacious plan to save a space telescope by using a rocket launched midair from a former passenger airliner.

NASA’s Swift space telescope is running out of altitude, but a privately funded spacecraft is being readied to push it higher ...

NASA unveiled close-up pictures on Wednesday of the interstellar comet that’s making a quick one-and-done tour of the solar ...

Scientists flew the XL-Calibur telescope on a high-altitude balloon to measure polarized X-rays from Cygnus X-1. These ...

As this month's string of powerful X-class solar flares sparked brilliant auroras that lit up skies across an unusually wide ...