It could mean a "negative" leap second. | Continue reading
She had been using it as a stair to mount her horse. | Continue reading
Archaeologists unearthed amazing swords, daggers and other weaponry this year. | Continue reading
Where did this strange meteorite come from? | Continue reading
They chirp, whistle and trill like droids — and scientists are hearing it now for the first time. | Continue reading
For these gregarious animals, 'alone time' is a fantasy. | Continue reading
Ice age people painted these animals 12,600 years ago. | Continue reading
Patients were hospitalized with epilepsy-like symptoms, including seizures and loss of consciousness, as well as nausea and vomiting. | Continue reading
Almost every human population has moved at some point. | Continue reading
Jørgen Brønlund was the last to die during the ill-fated mission in Greenland. | Continue reading
The green streaks only last for 30 seconds, then vanish. What are they? | Continue reading
Ground penetrating radar found subterranean ritual structures. | Continue reading
Did a "lost" extinction 230 million years ago empty the oceans and pave the way for dinosaurs? | Continue reading
Climate change prompted microevolution in now-extinct species. | Continue reading
Depends how you measure it. | Continue reading
It depends on the kind of animal. | Continue reading
Many black holes spin much faster than this. | Continue reading
The space rock landed on a frozen lake on Jan. 16, 2018. | Continue reading
Nobody has ever seen one here — until now. | Continue reading
Life is here. Can they see it? | Continue reading
Their stings are like a 'scorching hot knife.' | Continue reading
It depends if you count teeth as a group or separately. | Continue reading
The brain cells turned to glass after being exposed to an avalanche of hot ash. | Continue reading
Auroras aren't just for planets anymore. | Continue reading
Guided dreaming could be used to boost creativity or to confront sources of stress and trauma. | Continue reading
A vacuum is an empty place, which space nearly achieves. | Continue reading