The organic molecules could come from life or from ordinary chemistry — only samples returned to Earth can settle it.

Researchers were unsure whether alpha particles would aid or hinder fusion. Simulations suggest they help, by dampening ...

A fossil that has puzzled scientists for over 150 years is possibly the largest scorpion known to exist.

Health & Medicine The New World screwworm has returned to the U.S. Now what? At least a dozen animals have been found with the flesh-eating maggots. It could take more than a year to eradicate the ...

An imaging study found early signs of coronary artery disease in people in Canada breathing air that regulators consider ...

At least a dozen animals have been found with the flesh-eating maggots. It could take more than a year to eradicate the ...

Though solar cells, which convert sunlight to electricity, date to decades earlier, scientists at Bell Laboratories announce the first practical silicon solar ...

Most known for its role in movement, the cerebellum could compensate for flagging mental functions elsewhere in the brain.

Detached tissues from the sea cucumber's tube feet and feeding tentacles survived for more than three years, a find that ...

A newly-described dinosaur, Jian changmaensis, may have glided through northwestern China about 120 million years ago, ...

Vast permafrost beneath the upper slopes of Peru’s tallest volcano could become a regional water source as glaciers in the ...

Emerging research suggests overusing digital devices can be harmful, especially to mental health. But does being overly ...