Deadly dark comets will kill us all.

Mmmmaybe. At least, that’s what the Telegraph is saying. They’ve talked to astronomers and are now raising the alarm (and our stress levels) with thoughts of invisible killers speeding toward us at millions of miles per hour:

“There is a case to be made that dark, dormant comets are a significant but largely unseen hazard,” …said [Bill Napier, from Cardiff University].

Scientists estimate that there should be around 3,000 comets in the solar system, but only 25 have so far been identified.

“Dark” comets happen when the water on their surface has evaporated, causing them to reflect less light.

We’ll never see it coming.