A new study shows that Mars may very well be volcanically active. Nobody's seen direct evidence of volcanism; no eruptions or magma or anything like that. Rather, the proof is in the water.

Sleep is pretty great. In humans, evidence suggests it has a whole range of benefits, including this one: it keeps the brain healthy by letting neurons prune unnecessary synaptic connections we make during the day.

Long-duration spaceflight does weird things to the human body, even at the molecular level, but so far there's no reason to think humans couldn't survive a two-and-a-half-year round-trip journey to Mars.

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Everybody feels lonely sometimes. But only few of us are aware how important this feeling was…

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Humans love to explore. Strangely enough even horrible places – like Mars. Let’s see how building a Mars base could work and how insanely nerve-wracking exactly it would be.

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SpaceX, the aerospace company founded by Elon Musk, is working diligently on a wildly ambitious project: to permanently settle people on Mars.

Not all damaged cells die. Some stick around as senescent cells, unable to divide but still able to produce chemical signals — and they could play a major role in the battle against aging.

At first glance, the two rows of portraits at the top of this article just look like a bunch of average-looking people. The catch is, none of them exist. All of these faces are fakes, put together by artificial intelligence.

Yeah, okay, it's actually pretty disturbing.

Each year, cervical cancer affects over half a million people around the world, with one person dying of the disease every two minutes. It is one of the greatest threats to women's health we know of. It is also entirely within our power t

A new optical instrument that can detect plant-based organisms from kilometres away due to the unique way living things reflect light could one day help in the search for life beyond this planet, new research suggests.

We humans like to put labels and boundaries on things. For example, the boundary between Earth's atmosphere and space is the Kármán line, the point at 100 kilometres (62 miles) altitude where aeronautics end, and astronautics take over.

Neutron stars are among the densest-known objects in the universe, withstanding pressures so great that one teaspoon of a star's material would equal about 15 times the weight of the moon. Yet as it turns ...

This footage is evolution in action, and it's absolutely breathtaking.

Diving to the bottom of the ocean is arguably harder than rocketing into space.

By the time our great-grandchildren have children of their own, we humans will likely have broken a climate record that has stood unchallenged for 56 million years.

Winter weather in the United Kingdom is known to be raw and bleak but, on Monday, the Sun shined in all its glory and temperatures surged to levels not seen before during the cold, dark season.

If greenhouse gas emissions keep rising, a cloud feedback effect could lead to more than 14°C warming above the pre-industrial level

Japan's space agency pulled off something awesome this week. Its spacecraft Hayabusa2 touched down on asteroid Ryugu, collected a sample, and jumped off again.

As far as environmental supervillains go, atmospheric carbon is the kingpin of crime. And just like in the comic books, every time we think we have a way to lock it up for good, it gets away from us.