Samples collected at daring heights provide evidence for an untested theory of tree drought adaptation, while countering ...

The giant trees of tropical forests are important allies in the fight against climate change because of their ability to ...

Tree cores pulled from some of the planet’s oldest trees have helped extend records of past weather.

An explosion powerful enough to destroy millions of trees should have left behind a giant crater. Instead, when scientists ...

A rush rescue mission to save a NASA space telescope remains grounded, this time because of a last-minute launch problem.

Some periods in Earth history are so different from our own that they may as well belong to another planet. Many people are ...

June 30 marks Tunguska, Congo independence, and Soyuz 11, plus events from Hernán Cortés to Tower Bridge, Hitler’s purge, and ...

CAPE CANAVERAL — NASA is racing to save an aging telescope from falling back to Earth with a daring rescue mission. The $30 ...

Around 7:15 am on June 30 in 1908, during the reign of Tsar Nicholas II, an object from space entered Earth's atmosphere over ...

Celebrate safely this Fourth of July on public lands. CHEYENNE — As Americans celebrate 250 years of freedom this Independence Day, the Bureau of Land Management and U.S. Wildla ...

The co-owner of a Maine lumber mill has died from injuries he sustained during a fire and explosion at the facility, bringing ...

A scientist, a jar of pickles and a power strip walk into a room. The punchline involves physics, glowing condiments and a ...