comet

Some Arsehole Star Just Ripped Apart Halley’s Comet’s Brother

Some Arsehole Star Just Ripped Apart Halley’s Comet’s Brother

Here’s your daily reminder that the final frontier is ruthless: For the first time ever, scientists have spotted a comet-like object getting torn apart by a white dwarf star. Thankfully, this pugnacious little star — called WD 1425+540 — is located 170 lightyears away from Earth in the constellation Boötes,…

There’s Primordial Oxygen Leaking From Rosetta’s Comet

There’s Primordial Oxygen Leaking From Rosetta’s Comet

Comet 67P is full of surprises, from complex organic molecules to miniature space weather systems. Now, in an astronomical first, scientists have discovered molecular oxygen in the space rock’s tenuous atmosphere. And it may be a relic from the birth of the Solar System.