Dhaka: 3:59 AM, Fri, 15 Nov, 2019

Planet Mercury passes across the face of the Sun

Mercury has made a rare transit, where the planet passes across the face of the Sun as seen from Earth.

'Astonishing' fossil ape discovery revealed

Fossils of a newly-discovered ancient ape could give clues to how and when walking on two legs evolved.

How space affects women and men differently

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.

Scientists seek clues to how cancer ‘is born’

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 complete first all-women spacewalk

Nasa astronauts Christina Koch and Jessica Meir have made history by completing the first ever all-female spacewalk.

Satellites to monitor whale strandings from space

Scientists developing techniques to count great whales from space say the largest ever recorded mass stranding event was probably underestimated.

Nasa unveils new spacesuit for next Moon landing

The US space agency has unveiled the prototype for a new spacesuit that could be worn by the next astronauts on the Moon.

Europe eyes improved 'space weather' resilience

This artist's concept is of a new weather satellite - but not the type of spacecraft that warns us of coming winds and rain.

Nobel Prize in Chemistry honors work on lithium-ion batteries

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.

How our cells sense oxygen wins Nobel prize

Three scientists who discovered how cells sense and adapt to oxygen levels have won the 2019 Nobel Prize.

Milky Way’s centre exploded 3.5 million years ago

A cataclysmic energy flare ripped through our galaxy, the Milky Way, about 3.5 million years ago, a team of astronomers say.

Tsunamis linked to spread of deadly fungal disease

A major earthquake in Alaska in 1964 triggered tsunamis that washed ashore a deadly tropical fungus, scientists say.

Scientists estimate Earth's total carbon store

There are 1.85 billion, billion tonnes of carbon on Earth, with more than 99% of it resident beneath our feet.

Revolutionary drug for prostate cancer

Olaparib could become a revolutionary treatment for prostate cancer - the first genetically targeted drug for fighting the disease, say experts.

Alarming extinction threat to Europe's trees

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.