Alone among known planets, Earth has vast oceans on its surface and its landmasses are marked with lakes and extensive river drainage systems. Water is the biosphere's lifeblood, and without it, Earth ...

Our circumstances here on the wondrous, life-supporting Earth can give us a false understanding of what the universe is ...

Earth's largest waterfall, Denmark Strait cataract, is located in Arctic waters between Iceland and Greenland and is roughly ...

Eruptions of plasma piling atop one another, solar wind streaming out in exquisite detail -- the closest-ever images of our ...

The fact that we could map these changes from near the Sun all the way to Earth is a first in India—and likely a global first ...

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

Astronomers have discovered an Earth-sized exoplanet, TOI-2431 b, on a death spiral. The planet orbits its star in just five hours and 22 minutes, making it an exoplanet with one of the shortest orbit ...

Now, NASA has released remarkable video captured during the historic flyby, offering the closest views of the sun ever ...

Two spacecraft are currently directly observing the Sun: NASA's Parker Solar Probe (which will eventually approach to just 5% of the Earth-Sun distance), and ESA's Solar Orbiter, which is en route to ...

WASP-121b, an already unusual planet, might have a remote origin that explains some of its peculiar properties—from iron rain ...

The deep-space optical communication link could revolutionize how scientists communicate with spacecraft as they explore the ...

A new study suggests that plants deceive their neighbors using fungi, faking warning signals in order to compete.