On May 20, 1990, the Hubble Space Telescope sent its first image to Earth. This photo turned out to be 50% sharper than ...

This image shows the massive stars WR 25 and Tr16-244 in the Trumpler 16 cluster, within the Carina Nebula. WR 25 is the brightest, with Tr16-244 nearby, and a low-mass star to the left. This image ...

Captured by the NASA/ESA Hubble Space Telescope, this image centers on the spiral galaxy IC 4633. Situated about 8,000 light-years from Earth, the star cluster Pismis 24 is embedded within the ...

The Multi Unit Spectroscopic Explorer (MUSE) instrument on ESO’s Very Large Telescope captured imagery of young star system ...

NASA’s Hubble Space Telescope has transformed astronomy, capturing breathtaking views of the universe. Here are 10 of its most iconic images.

Using the Australia Telescope Compact Array (ATCA) and Parkes 64-m telescope, an international team of astronomers has ...

The halo is more extended that astronomers originally thought, and contains enough hydrogen gas to resolve the problem of the ...

Researchers conducted the first-ever near-infrared analysis of an extragalactic recurrent nova and found it is one of the ...

In the grand puzzle of the cosmos, one question continues to defy easy answers: how fast is the universe expanding?

A new analysis of the sky has finally confirmed where the missing half of the Universe's visible matter has been hiding.

In recent years, astronomers have been able to study the motion of the stars in the galaxy with outstanding precision. And ...

For decades, scientists have known that ordinary matter — everything made of atoms — accounts for just 15% of the universe’s ...