It's official: The Saharan silver ant is the fastest of the world's 12,000 known ant species, clocking a blistering 855 millimeters -- nearly a meter -- per second, researchers said Thursday.

Alexei Leonov, a legendary Soviet cosmonaut who was the first man to perform a spacewalk in 1965, died in Moscow on Friday aged 85 after a long illness.

Humans will never migrate to a planet outside of Earth's solar system because it would take far too long to get there, Swiss Nobel laureate Michel Mayor said Wednesday.

They are omnipresent and essential to navigating modern life. Small, light, rechargeable: lithium ion batteries have revolutionized our world in less than three decades.

Canadian-American cosmologist James Peebles and Swiss astronomers Michel Mayor and Didier Queloz on Tuesday won the Nobel Physics Prize for research that increases the understanding of our place in the Universe.

Interference in government research by U.S. President Donald Trump's administration has reached a "crisis point" with almost weekly violations of previously respected safeguards, a report by a think tank said Thursday, warning that ignoring science has led to ineffective and costly policy.

A three-man crew including an Emirati who became the first Arab to reach the International Space Station returned to Earth safely on Thursday and were in good shape, the Russian space agency Roscosmos said.

An Emirati has made history as the first Arab to reach the International Space Station, after blasting off from Kazakhstan.

India's space agency said it lost touch Saturday with its Vikram lunar lander as it made its final approach to moon's south pole to deploy a rover to search for signs of water.

The fate of the lander — whether it crashed or landed — wasn't immediately known. A successful landing would have made India just the fourth country to land a vessel on the lunar surface, and only the third nation to operate a robotic rover there.

Japanese scientists have identified a new species of dinosaur from a nearly complete skeleton that was the largest ever discovered in the country, measuring eight metres (26 feet) long.