In lab experiments, HKU5-CoV-2 infected human cells with high ACE2 levels in test tubes and in models of human intestines and airways.

CT scans of 12th century skulls showed signs of ‘severe morbidity.’

US government stripping funds from domestic and overseas research amid warnings for health and public safety

Such a dramatic cut to a flagship space telescope still in its prime will be felt across the mission’s entire operations, affecting science.

Physicists use mathematical assumptions in many situations that forbid time from moving backwards – but that isn’t necessarily a reflection of quantum reality

The scientific breakthrough, announced on this day in 1997, proved that geneticists could clone an adult mammal, giving rise to a new era of ethical debate and experimentation

Elon Musk fumed at a International Space Station astronaut who called out his lies, then immediately called for the station’s destruction.

Liftoff occurred at 10:19 a.m. ET on Friday (Feb. 21).

Unpredictable bursts of light are pulsing from the debris surrounding Sagittarius A*, offering new insights into the mysterious behavior of the most massive object in our galaxy

Brow ridge, stocky frame, bottleneck.

Carbon dating of teeth fragments found in Brazil reveals that some species persisted for thousands of years longer than thought.

According to an alternative model of how intelligent life emerges on planets like Earth, the existence of aliens—and human beings–could be the result of natural planetary processes.

Things are looking good for landing on March 2, for a pretty badass mission.

You may think that time started 13.8 billion years ago at the birth of the universe, but physicists with alternative definitions of time have other ideas

The 2024 YR4 asteroid is being closely monitored with a 3% chance of hitting Earth in 2032 – higher than any other in recorded history – with NASA scientists reportedly concerned about its trajectory

The discovery of Thutmose II is described as a huge one in the understanding of human story

The person had an estimated height of around 5ft 6in

Breathe a sigh of relief. Asteroid 2024 YR4 now has a 98.5% chance of missing Earth in 2032.

Thutmose II didn’t rule for long, but the find marks a major moment for Egyptology.

Sure, they’re particles and rocks, but they’re still a fascinatingly long way from home.

The two stars are taking turns feeding off one another.

“The diversity of ways that white dwarf stars can blow up is much greater than previously expected.”

As much as we want to tell Mr Sulu to “Take us to warp factor five”, dangerous causality problems, tricky maths and negative energy could get in the way.

Hydrogen gas might be generated in the millions-of-years long processes.

The new findings potentially give scientists a “ready-made trove of fossil candidates” to explore.

Two sinkholes have appeared in the Surrey village of Godstone, but how have they formed and are they dangerous?

A man in Poland discovered the purported remains of a second stage of a SpaceX Falcon 9 rocket in his backyard.

Seeds from the last toromiro, unique to remote Easter Island, were taken away in the 1960s. Now, after a crucial discovery gave hope for its survival, it is making a return

Pigmented algae are well adapted to grow on exposed ice in the Arctic as the snowline recedes, raising concerns of a feedback loop that could lead to faster sea-level rise

The possibilities are endless.

The skull of a newly discovered apex predator was unearthed at a remote dig site near the River Nile.

The weakening of the Atlantic meridional overturning circulation could be bolstering rainfall over the Amazon, reducing the risk it will reach a tipping point

Also aptly known as a dancing plant, the telegraph plant’s leaflets move in circular motions for no obvious reason

Animal bones can tell archeologists more about these ‘bear-baiting’ spectacles.

Even more confusingly, the signal appeared to be moving across the sky.

The discovery may pave the way to new treatments for age-related diseases, researchers say.

If primordial black holes exist, their tidal forces could rip your cells apart.

A new study of decades worth of seismogram data shows that the surface of Earth’s iron and nickel core is more malleable than scientists thought.

NASA has increased the chances of the ‘city-killing’ asteroid smashing into Earth in 2032. Asteroid 2024 YR4 would leave a 3,000-foot-wide crater in the ground if it were to hit our planet.

Wolves could have a significantly positive impact on the environment, experts say in first-of-its-kind study

Asteroid 2024 YR4 has a small chance of hitting Earth in 2032, but as astronomers make more observations about its trajectory, the odds of a collision seem to be increasing

Some cyanobacteria have pigments that specialise in harvesting green light to power their photosynthesis, which may be an evolutionary adaptation to a time when the oceans were iron-rich and green-tinged

Dark matter has turned out to be more elusive than physicists had hoped

New fossils and analytical tools provide unprecedented insights into dinosaur sensory perception

The exciting event will be the first of four eclipses throughout 2025

The individual is believed to belong to a group first seen in 2021.

Humans might not be that special in the universe after all.

“We described them as ‘never growing up’ because they have maintained their primordial disk long after the expected time frame for primordial disks to have dissipated.”

Weird noises, mysterious constructions and strange disappearances have left scientists scratching their heads. Here are seven phenomena we still can’t explain.

A prototype thermoelectric generator can attach directly to the tailpipe of a car, capturing its waste heat.