Tyrannosaurs catch a lot of teasing for their tiny arms. The fiddly, two-clawed appendages just look a little silly on carnivores of such imposing stature. But they were hardly alone—another enigmatic ...

In the early 1990s, Keith Willmott and a friend, both undergraduate students from the United Kingdom, arrived in Ecuador with ...

As the Atlantic Forest dwindles mosquitoes end up feeding more on humans out of convenience — and the risk of disease ...

Last year, global temperatures were cooled slightly by a natural weather pattern in the Pacific called La Niña. That meant it wasn't quite as hot as 2024, but the long-term trend is clear. The last 11 ...

The winter season is one of those down times for gardeners. Snow is on the ground, but it is too early to start seeds indoors ...

A Pulitzer Prize-winning weekly covering West Marin, including the towns of Point Reyes Station, Inverness, Bolinas, Stinson ...

Key pointsScientists constructed a family tree for butterflies in the genus Adelpha, which are native to North and South America and display ...

Vanishing sparrows, altered migrations, and deformed birds are Earth’s warning signals — nature’s whistle-blowers telling us ...