Molecular oxygen surrounding comet 67P/Churyumov-Gerasimenko has long puzzled scientists.
An international conference has brought together archaeologists to discuss King Tut's artefacts.
A month's worth of rain has fallen on areas of eastern Canada over the past few days.
Why has the X-37B has been in low Earth orbit for so long?
There has been much debate about the purpose of these artworks, known as Nilotic landscapes.
This is the first close-up study of sand dunes outside of Earth.
A basin in the Falkland Islands is believed to be one of the largest craters in the world.
First daughter appears ready to push for US to stay part of environmental agreement.
Turning one of the most powerful greenhouse gases into methanol is a step forward in the fight against global warming.
Professor José Sarukhán will collect his Tyler Prize at a ceremony near the White House.
The West Scottish killer whale pod hasn't bred in 20 years and is 'doomed to extinction'.
Russia accounts for more space debris than any other country.
The largest volcanoes known to man exist in Hawaii.
The dinosaur had extraordinarily tiny arms.
A rehabilitation centre released the big cat into the Jewish Autonomous Oblast in Russia.
Funerary gardens had previously only been known through iconography.
SpaceX gave the Senate Committee on Commerce, Science and Technology an update on its ambitious plans.
The sandstorms originated from Mongolia and Inner Mongolia on 3 May.
The mammals are starting to carry diseases that could be passed to humans.
These are the first volcanoes shown to be created by a massive meteorite impact.
Hawking makes the disturbing claim in the new season of Tomorrow's World.
A new mathematical model uses Einstein theory of general relativity to describe a viable time machine.
It is a large anomaly in the biggest kind of gravity-bound structure there is in the universe.
There are concerns the pact will make it difficult to repeal US climate regulations as Trump promised.
The female orangutan inherited the disorder, meaning there could be more living in the forests.
Injecting wastewater into the ground was the likely cause, not fracking.
The discovery shows that advanced aerodynamic feathers evolved much earlier than thought.
Calls to cull sharks have increased since a teenager was killed in an attack in April.
Copper was an important material in ancient Egypt but little was known about its origins.
Scientists have revealed the news we all wanted to hear.