Comet Nishimura: ‘Once-in-a-lifetime’ chance to see newly found comet with naked eye

Europe assembles Hera spacecraft to eye aftermath of DART asteroid crash (video, photos)

Catastrophic climate 'doom loops' could start in just 15 years, new study warns - Climate "tipping points," such as the loss of the Amazon rainforest or the collapse of the Greenland ice sheet, could come within a human lifetime, scientists have said.

How to see comet E1 ATLAS high in the night sky in July near the Little Dipper