3.42-billion-year-old fossil threads may be the oldest known archaea microbes

Threadlike filaments pressed in rock may be the remnants of archaea that burped methane near hydrothermal vents 3.42 billion years ago.  If so, these strands in rock excavated in South…

Pterosaurs may have been able to fly as soon as they hatched

Pterosaur hatchlings may have been able to fly right out of the shell — although the flight of those ancient baby reptiles might have looked a bit different from that…

An ecologist’s new book gets at the root of trees’ social lives

Finding the Mother TreeSuzanne SimardKnopf, $28.95 Opening Suzanne Simard’s new book, Finding the Mother Tree, I expected to learn about the old growth forests of the Pacific Northwest. I had…

As ‘phantom rivers’ roar, birds and bats change their hunting habits

For two summers in a rugged corner of Idaho’s Pioneer Mountains, the roar of rushing white water filled the air. But where the loud sounds prevailed, only gentle streams flowed…

Wild donkeys and horses engineer water holes that help other species

Water drives the rhythms of desert life, but animals aren’t always helpless against the whims of weather. In the American Southwest, wild donkeys and horses often dig into the dusty…

Only 3 percent of Earth’s land hasn’t been marred by humans

The Serengeti looks largely like it did hundreds of years ago. Lions, hyenas and other top predators still stalk herds of wildebeests over a million strong, preventing them from eating…

Wildfires launch microbes into the air. How big of a health risk is that?

As climate change brings more wildfires to the western United States, a rare fungal infection has also been on the rise. Valley fever is up more than sixfold in Arizona…

This newfound tarantula is the first known to make its home in bamboo

Meet “bambootula.” This newfound tarantula gets its nickname from the tall, stiff-shafted grass in which it makes a home in northern Thailand. Taksinus bambus, as the spider is officially known,…

Some deep-sea octopuses aren’t the long-haul moms scientists thought they were

Octopuses living in the deep sea off the coast of California are breeding far faster than expected. The animals lay their eggs near geothermal springs, and the warmer water speeds…

How lizards keep detachable tails from falling off

Lizards are famous for losing their tails, but perhaps the bigger question should be: How do their tails stay on? The answer may lie in the appendage’s internal design. A…