Astronomers bid an emotional farewell to Gaia, expressing their gratitude for its more than decade-long mission that gave us groundbreaking insights into our home galaxy, the Milky Way.

After more than a decade of mapping billions of stars across the Milky Way and beyond, a groundbreaking spacecraft is ...

It's like we are looking out into space through ... and those 130 million stars. The results allowed the astronomers to reconstruct the first detailed, three-dimensional map of the extinction ...

To do so, this telescope, called SPHEREx, will map the entire sky to see the universe in 102 colors of light. Astronomers ...

Neutron stars are some of the weirdest cosmic objects, and the greatest mysteries lie deep in their hearts.

Set to launch in February 2025, NASA’s SPHEREx mission will provide a comprehensive map of the universe in infrared light. The telescope will examine 450 million galaxies and 100 million stars ...

What the animated exoplanet timeline shows The video shows a flattened map of the 360-degree night sky as seen from Earth. The bright band of stars in ... and new space observatories launch ...

Blue Skies has partnered with another space company, OHB Italia, to build the satellite fleet, called RadioLuna, which aims ...

A NASA space telescope on a mission to map millions of galaxies has turned on its detectors for the first time, capturing images of tens of thousands of stars and galaxies. The SPHEREx ...

After 11 years mapping the Milky Way, the European Space Agency's Gaia space telescope has retired. Scientists hailed it as "the discovery machine of the decade." ...

After more than a decade of mapping the stars, the European spacecraft was shut down on Thursday. But its legacy lives on. Rendering of the Gaia telescope in space.Credit...ESA/ATG medialab ...