From asteroids the size of football stadiums to nuclear war and man-made pandemics, it can seem as if humankind is in ...

Several planets stand still in the sky, Titan’s shadow transits Saturn, and Venus gives Taurus a second eye in the sky this ...

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

We measure the extremely long distances between things in space by light years. A light year is the distance that light travels in one Earth year. Light travels at about 300,000 kilometres per second.

For only the third time in recorded history, an interstellar object has crossed into our solar system, creating quite the ...

When the moon is positioned farther from Earth's equator and closer to the poles, its pull on the planet becomes weaker. With ...

HUMANS have been searching for aliens for decades – but all this time, intelligent extraterrestrial life could have found us, ...

The new galaxy, because of how far away it is, looks to observers exactly as it did when it was first created 3 billion years ...

Earth is set to spin faster this summer, making July 9, July 22, and August 5 slightly shorter than usual. Discover why it’s ...

The "unintentional electromagnetic leakage" from airport radars and military radar systems can be "detectable across ...

Radar systems used by civilian airports and military operations are inadvertently revealing our existence to potential ...

While you may feel robbed of your summer, next year you will enjoy 93 days, 15 hours, and 40 mins of Croc season, or an extra ...