The protoplanetary disk is actually a Herbig-Haro object dubbed HH 30. Such objects are glowing regions in space that contain ...

Dark matter is more than five times as abundant as all the visible matter in the universe. So why can't we see any of it?

Nick Tolman was enjoying his second day at Bolan Mountain Lookout with his 3-year-old daughter, in September 2020, when he ...