It's not a question you might have thought about, but which came first: sleep or the brain? To put it another way, can organisms without brains go to sleep? Based on a study of primitive, water-dwelling life forms called Hydra vulgaris, scientists

Tithonium Chasma is one big canyon. At a staggering 810 kilometres (503 miles) long, it's a large part of Valles Marineris - the biggest canyon system we know of in the whole Solar System.

In a first-of-its-kind discovery, scientists have found that a species of non-photosynthetic bacteria are regulated by the same circadian rhythms that hold sway over so many other life-forms.

We are, by now, pretty familiar with the concept of the Goldilocks zone. Also known as the habitable zone, it's the distance from a star at which liquid water can be present on the surface on a planet - not so hot as to be vaporised, nor so cold as

More than three quarters of people hospitalised with COVID-19 still suffered from at least one symptom after six months, according to a study published Saturday that scientists said shows the need for further investigation into lingering coronaviru

Two thin strands wound together in a spiraling helix: This is the iconic shape of a DNA molecule. But sometimes, DNA can form a rare quadruple-helix, and this odd structure may play a role in diseases like cancer. 

A galaxy billions of light-years away is the most distant of its kind we've found to date, embodying yet another challenge to our models of black hole and galaxy formation, and offering a rare glimpse into the early Universe.

Microplastics are everywhere. These tiny plastic fragments can be found throughout the oceans, infiltrating the animals within it, the food we eat, and even our children.

Roughly every 114 days, almost like clockwork, a galaxy 570 million light-years away lights up like a firework. Since at least 2014, our observatories have recorded this strange behaviour; now, astronomers have put the pieces together to figure out

For decades, scientists have wrestled with a complex mystery of physics: Could the immense amounts of energy theoretically produced by rotating black holes ever be tapped by human hands?

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It's always a sad day when a mission comes to an end. And it's even sadder when the mission never really got going in the first place.

Eat your heart out, Tatooine.

Reports of about 30 deaths among elderly nursing home residents who received the Pfizer vaccine have made international headlines.

SpaceX is on course to rocket tens of thousands of satellites into Earth's orbit, part of Elon Musk's plan to blanket the planet in high-speed internet. For the first time, data shows that the company may be able to accomplish this feat without mar