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In a new study, fossilized droppings suggested that ancient ground squirrels ate the meat of much larger animals, including mammoths, bison and saber-toothed cats.In a new study, fossilized droppings suggested that ancient ground squirrels ate the meat of much larger animals, including mammoths, bison and saber-toothed cats. Read More

The agency will announce the crew of Artemis III on Tuesday. But will the mission be ready to fly in 2027?The agency will announce the crew of Artemis III on Tuesday. But will the mission be ready to fly in 2027? Read More

The agency will announce the crew of Artemis III on Tuesday. But will the mission be ready to fly in 2027?The agency will announce the crew of Artemis III on Tuesday. But will the mission be ready to fly in 2027? Read More

For millions of years, male great bowerbirds have wooed their mates with flowers and seeds. But in today’s urban world, such humble fare may not cut it.For millions of years, male great bowerbirds have wooed their mates with flowers and seeds. But in today’s urban world, such humble fare may not cut it. Read More

An auction to drill in the Arctic National Wildlife Refuge ended with just 10 percent of the available land claimed for oil development.An auction to drill in the Arctic National Wildlife Refuge ended with just 10 percent of the available land claimed for oil development. Read More

The forthcoming order echoes President Trump’s decision to repeal executive orders that have protected other public lands from vehicles for decades.The forthcoming order echoes President Trump’s decision to repeal executive orders that have protected other public lands from vehicles for decades. Read More

Russian astronauts prepared to make repairs on Friday morning, but after an hour and a half, officials decided no urgent action was needed.Russian astronauts prepared to make repairs on Friday morning, but after an hour and a half, officials decided no urgent action was needed. Read More

Here’s why farmers and scientists are concerned over the New World screwworm’s unwelcome return to the United States.Here’s why farmers and scientists are concerned over the New World screwworm’s unwelcome return to the United States. Read More

Researchers relied on a newer gene-editing technique that may make it possible to engineer embryos, a prospect that has long alarmed bioethicists.Researchers relied on a newer gene-editing technique that may make it possible to engineer embryos, a prospect that has long alarmed bioethicists. Read More