New measurements using gravitational lensing suggest the universe’s current expansion rate does not agree with signals from the early cosmos.

Scientists have confirmed that colossal collisions between galaxies trigger titanic eruptions in the centers of those ...

The Hubble Space Telescope has captured imagery of the R Aquarii binary star system from 2014-2023. The images have been time ...

The Hubble Space Telescope has made multiple observations of exoplanet WASP-121 b, also known as Tylos. The extreme ...

A team of astronomers including George Washington University physics Ph.D. student Eliza Neights recorded an extraordinary ...

Witness the breathtaking images of the interstellar comet 3I/ATLAS captured by NASA's Hubble Space Telescope and ESA's JUICE orbiter.

The comet is the third object ever confirmed to have entered our cosmic neighborhood from elsewhere in the galaxy. Space ...

Current physics is speeding toward a breaking point, as astronomers confirm that the Hubble tension in new data.

Record-breaking ultrafast outflow (UFO) winds from a supermassive black hole flung matter across the universe close to the speed of light.

NASA has completed assembly of the Nancy Grace Roman Space Telescope, preparing for final testing and launch by May 2027 to ...

In a new study published in The Astrophysical Journal, a group of researchers from the University of Colorado Boulder ...

Leading X-ray space telescopes XMM-Newton and XRISM have spotted a never-seen-before blast from a supermassive black hole. In ...