Tungsten (W), a hard, heat-resistant, and corrosion-resistant metal, is indispensable to modern high-tech industries—from ...

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

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

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

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

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

Comet 3I/Atlas may be the oldest spotted so far and should be visible through amateur telescopes in just a few weeks' time.

By flying closer to the Sun than ever, Parker Solar Probe reveals the chaotic birthplace of solar wind and space storms, ...

In its closest-ever dive into the Sun’s atmosphere, NASA’s Parker Solar Probe has returned stunning new images and data that ...

A mystery interstellar object discovered by a British astronomer is most likely the oldest comet ever seen. The "water ice-rich" visitor, which has been given the name 3I/ATLAS, is the first object to ...

On its record-breaking pass by the Sun late last year, NASA’s Parker Solar Probe captured stunning new images from within the Sun’s atmosphere. These newly released images — taken closer to the Sun ...

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