Mercury has made a rare transit, where the planet passes across the face of the Sun as seen from Earth.
Fossils of a newly-discovered ancient ape could give clues to how and when walking on two legs evolved.
Some 564 people have been into space - 65 of them women. That's despite the fact that the first woman in space, Soviet cosmonaut Valentina Tereshkova, went into orbit as early as 1963.
British and American scientists are teaming up to search for the earliest signs of cancer in a bid to detect and treat the disease before it emerges.
Nasa astronauts Christina Koch and Jessica Meir have made history by completing the first ever all-female spacewalk.
Scientists developing techniques to count great whales from space say the largest ever recorded mass stranding event was probably underestimated.
The US space agency has unveiled the prototype for a new spacesuit that could be worn by the next astronauts on the Moon.
This artist's concept is of a new weather satellite - but not the type of spacecraft that warns us of coming winds and rain.
The 2019 Nobel Prize in Chemistry has been awarded to John B. Goodenough, M. Stanley Whittingham and Akira Yoshino "for the development of lithium-ion batteries", the Royal Swedish Academy of Sciences announced on Wednesday.
Three scientists who discovered how cells sense and adapt to oxygen levels have won the 2019 Nobel Prize.
A cataclysmic energy flare ripped through our galaxy, the Milky Way, about 3.5 million years ago, a team of astronomers say.
A major earthquake in Alaska in 1964 triggered tsunamis that washed ashore a deadly tropical fungus, scientists say.
There are 1.85 billion, billion tonnes of carbon on Earth, with more than 99% of it resident beneath our feet.
Olaparib could become a revolutionary treatment for prostate cancer - the first genetically targeted drug for fighting the disease, say experts.
The conker tree has been put on the official extinction list. Ravaged by moths and disease, the horse chestnut is now classified as vulnerable to extinction.
Information Minister Dr Hasan Mahmud has said that BNP will face existence crisis for indulging in negative politics.
Landing in India after a long gap of seven years, a “rejuvenated” Katy Perry shared her plans of going around the streets of Mumbai to try her hands on some local cuisine and also spilled the beans on chances of collaborating with Indian artists.