While mapping the nearby universe, astronomers discovered the largest-known structure in the universe, about 425 million to ...

New data reveals a 3-million-light-year filament connecting two galaxies, each of which hosts a supermassive black hole.

If scientists confirm an anisotropic expansion, it would challenge the assumption that the universe has no preferred directions.

Since its launch in 2013, Gaia has been dedicated to creating an accurate three-dimensional map of the Milky Way. Using two high-precision optical telescopes, the spacecraft carefully records the ...

Astronomers have identified what they believe to be the largest structure in the universe to date. Named "Quipu" after the ancient Incan method of record-keeping, this colossal superstructure ...

New research from the SAGA Survey, comparing the Milky Way with 101 similar galaxies, unveils how our galaxy differs ...

SpaceX was set to send up the 13th launch from the Space Coast this year on Friday afternoon, but has retargeted efforts to Saturday. A Falcon 9 rocket on the Starlink 12-9 mission carrying 21 ...

Data from the Gaia spacecraft shows that even unassuming stars can host monumental companions like massive planets.

"With an orbital period of 570 days, it is a relatively cold gas giant planet," said Guðmundur Stefánsson of the University ...

Astronomers have long relied on two main methods to detect exoplanets—the transit method, which looks for dips in a star’s ...

The ESA’s Gaia mission mapped the positions and velocities of stars with extreme precision by measuring about one billion ...

The Gaia mission, launched by the European Space Agency, has completed a decade of groundbreaking astronomical observations, collecting over three trillion data points on two billion stars and ...