Science

There are many reasons bears shimmy and scratch against trees. Sometimes they communicate by scent-marking trees, other times they’re removing...

WASHINGTON — The Biden administration on Wednesday took a crucial step toward approving an $8 billion ConocoPhillips oil drilling project...

As global demand for Covid-19 vaccines dries up, the program responsible for vaccinating the world’s poor has been urgently negotiating...

Green Light for a CometThe comet C/2022 E3 (Z.T.F.) has been steadily approaching Earth for the first time in some...

First proposed nearly two decades ago, the Pebble mine project has had a roller-coaster existence, its prospects lurching from bright...

Once I started noticing these impressions, it was fun to imagine myself as a paleontologist of the urban present.Because sidewalk...

Every summer in waters off the town of Laguna in Brazil’s southeast corner, fishers wade out into estuary canals to...

‘A dark elderberry place’Bog-mummified people are mainly found in raised bogs — discrete, dome-shaped masses of peat that typically form...

An expert panel on Friday endorsed a sweeping set of proposed changes to the federal government’s program for regulating experiments...

When did pediatric obesity become such a problem?For scientists, the alarms went off in the 1980s and 1990s. Before then,...