An Alaskan volcano that has been inactive for more than 100 years is showing signs of rumbling, according to scientists.

The object seems to be travelling on a steep path - suggesting it came from the Milky Way's "thick disk", an area of ancient ...

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

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

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 ...

NASA’s Parker Solar Probe has collected data that evidences the theoretical “helicity barrier,” where turbulent dissipation behaves strangely.

Scientists have long wondered how Earth’s continents first formed. Now, a team of geologists from the University of Hong Kong ...

Geologists from the University of Hong Kong (HKU) have made a breakthrough in understanding how Earth's early continents ...

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

A mass extinction event wiped out around 90% of life. What followed has long puzzled scientists: The planet became lethally hot for 5 million years. Researchers say they have figured out why using a ...