Near-Earth asteroid Bennu could hit Earth in 157 years and set off a global ‘impact winter,’ study says
Near-Earth asteroid Bennu has a slim chance of colliding with Earth in 2182. If it does, the impact could trigger a global ...
Smithsonian Magazine18d
Giant, Mysterious Spires Ruled the Earth Long Before Trees Did. What Exactly Are These Odd-Looking Fossils?
For more than 150 years, scientists have debated whether Prototaxites—which stood roughly 24 feet tall and 3 feet wide—were ...
Science News4d
Earth’s first waterfowl may have lived in Antarctica 69 million years ago
An ancient bird that swam in Antarctica’s balmier waters 69 million years ago may be the earliest known waterfowl on Earth, scientists ... iaai was first described about 20 years ago, from ...