The number of active satellites increased from 997 to 3,368 from 2010-2020 and is only going up. Add this to the estimated 23,000 orbital debris

When two galaxies merge, the black holes at the center, or nucleus, form into a supermassive black hole (SMBH); but not always. Researchers at the

Nine critical components of the Europa Clipper are currently being gathered from various NASA centers and industry partners to Jet Propulsion Laboratory’s main clean room.

The picture above is of a meteorite that touched down in Tagish Lake in 2000. On August 11, 2021, researcher Yuki Kimura and collogues published