Roughly 252 million years ago, Earth experienced its deadliest known extinction. Known as the Permian–Triassic Mass ...

A mystery interstellar object discovered by a British astronomer is most likely the oldest comet ever seen. The "water ...

A mystery interstellar object spotted last week by astronomers could be the oldest comet ever seen, according to scientists.

New Delhi: A team of researchers believes they have understood why Earth remained in a state of extreme heat and harsh temperatures for 5 million years following the Great Dying. The catastrophic ...

The catastrophic event, which occurred 252 million years ago, wiped out nearly 90 per cent of all life on Earth, both on land ...

AN INTERSTELLAR space rock zooming through our solar system may be the oldest comet ever seen by humans, according to ...

Researchers have uncovered that both ocean currents and atmospheric changes contribute equally to a cold patch in the North Atlantic. While global temperatures continue to rise, one area in the ...

A mass extinction event wiped out around 90% of life. What followed has long puzzled scientists: The planet became lethally ...

Around 20,000 readers voted in the 2025 Telegraph Travel Awards. Here we reveal your top (and least favourite) countries ...

A physicist solves an old thermodynamic puzzle and demonstrates directly from the second law that entropy disappears at ...

Understanding how wildfires influence our planet's climate is a daunting challenge. Although fire occurs nearly everywhere on ...

Scientists agreed the rocky outcrops in a remote part of Quebec, Canada, were ancient. But were they really Earth’s oldest?