Stories by Sarah Simpson

Underwater landslides off the mid-Atlantic could
trigger a tsunami, but the likelihood appears slim

New ways of predicting the disastrous flows of volcanic ash known as lahars

Two scientists have a hunch that the largest repository of life is not the oceans but the fractured rock beneath them. Staff writer Sarah Simpson recounts their voyage to find proof

Glowing paint may highlight the forces that make insects fly

Scientists and politicians can quibble about what or who is to blame, but the oceans have cast a clear vote: Planet Earth is warming up

Internet auctions are putting fossils out of paleontologists' reach

"Is the right stuff enough?" asks staff writer Sarah Simpson

An undersea methane explosion may have driven the most rapid warming episode of the past 90 million years

The shrinking of an immense swath of Antarctic ice threatens to raise sea level and there may be no stopping it

Methane once frozen under the seafloor may help heat up the climate

Dying plants harvest harsh surprises from climate change

An undulating layer of hot rock cools the controversy over how the earth's mantle moves