A space explosion detected this summer burned for days on end, making it the longest and most unusual gamma-ray burst ever seen. Gamma-ray bursts are the universe’s most powerful explosions. They ...

New research describes how a kilonova explosion triggered by colliding neutron stars could eradicate life on Earth for thousands of years. Thankfully, the odds are incredibly low. When you purchase ...

Low Earth orbit has shifted from a quiet scientific outpost to one of the busiest pieces of real estate in human history. With tens of thousands of satellites and fragments now circling overhead, ...