When we talk about mass extinction events, the first case that usually comes to mind is when an asteroid struck Earth about 66 million ... the Early Triassic, nearly constant volcanic activity ...

The US astronauts stranded on the International Space Station are home at last — more than nine months after their days-long ...

Nearly all the trees died. Looy had told me that the Black Triangle ... Rocks of that age contain traces of an asteroid that struck Earth, generating catastrophic events from global wildfires ...