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 ...

Interstellar visitor 3I/ATLAS has returned to Hubble’s field of view, and the fresh images are forcing astronomers to rethink ...

Astronomers are a step closer to cracking one of the secrets of dark energy—the mysterious force believed to be causing the universe's accelerated expansion.

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

An international team of astronomers, led by SRON, discovered a rapid explosion of matter around the supermassive black hole ...

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

Astronomers around the world are accelerating their study of Comet 3I/ATLAS, the third confirmed interstellar object to enter ...

Astronomers are racing to analyse new Hubble Space Telescope images of interstellar comet 3I/ATLAS, an object with a highly unusual dual-tail structure and exotic chemical signatures that set it apart ...

Scientists are testing a novel way to measure cosmic expansion using time delays in gravitationally lensed quasars. Their ...

NASA’s Hubble Space Telescope captured a deeper look at interstellar comet 3I/ATLAS, with its Wide Field Camera 3 instrument, ...