A new radiotracer developed at the University of Alberta and soon to be tested in human clinical trials in Europe could make ...

A groundbreaking new survey from China’s LHAASO observatory has unveiled powerful ultrahigh-energy gamma-ray emissions across ...

Watch an animation of a black hole shooting jets of particles through a "collapsing star at nearly the speed of light" and ...

The Hubble Space Telescope is making waves again, this time for a snapshot of a spiral galaxy located 250 million light-years ...

The discovery, made with the LOFAR (LOw Frequency ARray) radio instrument in Europe, indicates that galaxy clusters, which ...

The light that the NASA/ESA Hubble Space Telescope collected to create this image reached the telescope after a journey of ...

In October 2022, a blast of light from deep space outshone anything humanity has ever witnessed. The gamma-ray burst, later named “The BOAT,” unleashed more energy in seconds than our sun will emit in ...

The satellite spotted a mysterious 150-second X-ray flare, named EP240414a, from a dying star 4 billion light-years away.

A microquasar belonging to our Milky Way galaxy has set records by generating cosmic rays with energy levels never before ...

From the ISS, scientists are capturing rare lightning above storms that could impact radio, climate, and safety.

For years, astronomers puzzled over the mystery of where the heaviest elements in the universe—like gold, uranium, and platinum—come from. Scientists understood that these elements had to form under ...

While JAXA's Suzaku X-ray telescope came to the end of its scientific mission in 2015, XMM-Newton remains operational more than a quarter of a century since its launch; a testament to its designers ...