(35396) 1997 XF11

July 26, 2017

Big, Dangerous Comets More Common Than Thought

There are a lot more big, potentially dangerous comets zooming through deep space than scientists had thought, a new study suggests. Astronomers have likely underestimated by a factor […]
July 19, 2017

Bad News for Life: TRAPPIST-1 Planets’ Atmospheres May Have Been Destroyed

The potentially Earth-like planets in the TRAPPIST-1 system may not be so conducive to life after all, two new studies report. Intense radiation and particles streaming from their […]