Operators follow a 25-year rule: at this point, a satellite’s mission is deemed to have ended and it is lowered into the ...

Deaths of nearby massive stars may have played a significant role in triggering at least two mass extinction events in ...

Re-entries of SpaceX Starlink satellites are causing environmental concerns by releasing aluminium oxide, which could harm ...

New research reveals that high-energy radiation from active galactic nuclei could foster life on distant planets by ...

When Starlink’s satellites reach the end of their lives, they burn up in the Earth’s atmosphere and leave behind small particles of aluminum oxide. These travel down into the ozone layer ...

Although black hole radiation can be catastrophic in some cases, it may assist life once oxygen has accumulated in the planet ...

At the center of most large galaxies, including our own Milky Way, sits a supermassive black hole. Interstellar gas ...

At least two mass extinction events in Earth's history were likely caused by the 'devastating' effects of nearby supernova explosions, a new study suggests. Researchers say these super-powerful blasts ...

A surprising new study from Dartmouth and the University of Exeter researchers shows that when the supermassive black holes at the center of most large galaxies—including the Milky Way—consume ...

The most dangerous parts of a supernova explosion are the outputs like X-rays and gamma rays. Even though they only share a ...

As Sputnik hit the upper atmosphere at incredible speed ... to piece together how this space debris might be damaging the ozone layer, the climate and even human health. We still don’t know ...