This is the first image of a rare 'minimoon' that loops around the Earth like a dance partner.

The European Space Agency’s Euclid space telescope has discovered 31 of the most ancient quasars ever found – and two of ...

Chinese mission Tianwen-2 released a new image of an asteroid orbiting Earth, which is sometimes referred to as a “quasi-moon ...

A Wave of Ancient Quasars Discovered from the Dawn of the Universe. VC: W. M. Keck Observatory This artist’s impression shows ...

The exoplanet telescope TESS revealed a distant world using an entirely different detection method than the one it was built ...

NASA is preparing for a rescue that sounds more like a stunt than routine mission control: send a robot into orbit, find an ...

The Euclid space telescope has spotted the oldest quasars — the brightest objects in the universe — ever discovered, ...

NASA’s effort to save the Swift space telescope from an uncontrolled reentry has crossed a critical threshold: ground teams ...

The probe will conduct a detailed scientific survey of the asteroid and send a sample back to Earth for further analysis.

Astronomers have identified the two most distant quasars ever detected, shattering the previous cosmic record and offering a ...

Researchers working with data from the South Pole Telescope have released a major catalog of galaxy clusters, giving ...

Interstellar comet 3I/ATLAS carries isotopic ratios entirely outside the Solar System range, ESO’s Very Large Telescope has ...