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.

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

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 ...

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, ...

Past super El Niños have brought bad flooding, deadly fires and disease outbreaks. Climate experts already expect “shockingly ...

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

Viking 1 kicked off the search for Martian life 50 years ago. Now NASA’s shifting priorities are putting the quest in limbo.

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