Hydrogen-Powered Air Taxi
In a significant milestone for sustainable aviation, a hydrogen-powered air cab has completed an 842-kilometer flight, emitting only water vapor. The aircraft, which left only a vapor trail in its wake, represents a…
7,000-year-old stone circles discovered in Saudi Arabia
Archaeologists in Saudi Arabia have made an impressive discovery by excavating eight ancient stone circles which, according to their findings, were used as dwellings. These finds, located in the Harrat ‘Uwayrid lava field,…
Machine Learning for Cell Analysis
Austin Chen | MIT News correspondent With recent advances in imaging, genomics and other technologies, the life sciences are awash in data. If a biologist is studying cells taken from the brain tissue of Alzheimer’s…
Sighting of red sprites from the International Space Station
Over the years, the International Space Station (ISS) has provided a unique vantage point for observing a variety of mysterious and intriguing phenomena in Earth’s upper atmosphere and beyond. From UFOs to strange…
Meteorites from Mars help us understand the planet’s interior
James Day, University of California, San Diego Of the more than 74,000 known meteorites – rocks that fall to Earth from asteroids or planets colliding together – only 385 or so stones came…
Hubble discovers massive black hole closest to Earth
An international team of astronomers has used more than 500 images from the NASA/ESA Hubble Space Telescope, taken over two decades, to detect seven fast-moving stars in the innermost region of Omega Centauri,…
Nearby exoplanet smells like rotten eggs
ROBERTO MOLAR CANDANOSA/JOHNS HOPKINS UNIVERSITY The atmosphere of HD 189733 b, a gas giant the size of Jupiter, has traces of hydrogen sulphide, a molecule that not only gives off a bad smell,…
Webb identifies an icy world in the constellation of Cetus
When the exoplanet LHS 1140 b was discovered, astronomers hypothesized that it could be a mini-Neptune – that is, a predominantly gaseous planet, but smaller than Neptune. However, after analyzing the latest data…
A ‘scar’ on Mars is seen in detail in new satellite photos
The striking surface feature, called Aganippe Fossa, is a tectonic trench or graben – a long depression bounded on both sides by parallel normal faults. Astronomers first sighted it in 1930, but it…
Fusion energy: solution or problem?
Sophie Cogan, University of York Harnessing energy from nuclear fusion – the combining of nuclei, which lie within atoms – could be instrumental in the shift towards a decarbonised global energy system. As…