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Calculating whether an asteroid might hit Earth
How do scientists calculate the probability that an asteroid might hit Earth? And why does the likelihood often go up before dropping to zero?
July 4, 2025
Planet with a death wish triggers its own doom
Astronomers using ESA's Cheops mission have spotted a planet with a death wish. The exoplanet seems to be triggering flares of radiation from its parent star.
July 4, 2025
A Stone Age ocean voyage re-enacted by daring scientists
Scientists re-enacted a Stone Age voyage from Taiwan to the Ryuku Islands of southern Japan using a canoe made from replica tools of that period.
July 3, 2025
Andromeda Galaxy stuns in new images and sounds!
NASA has released a stunning new composite image of the Andromeda galaxy. There is also a sonification, where the individual images are converted into sound.
July 2, 2025
Killer whales make tools to scratch each other’s backs
Killer whales are sociable and intelligent animals that create tools to scratch a partner's back. See images and videos here!
July 2, 2025
Another nova – a 2nd ‘new star’ – is now visible in Vela
A 'new star,' or a nova, was discovered in Vela on June 25, 2025. You can see it with the eye! So you can see two novae at once from the Southern Hemisphere.
July 1, 2025
Clays on Mars as tantalizing oases for microbial life
A new study shows that thick layers of clays on Mars formed close to bodies of water like lakes. This might have provided a stable environment for life.
July 1, 2025
Sun activity archive for July 2025
Sun activity archive for July 2025. A daily record of flaring, big filaments and prominences, and other sorts of activity, on our local star.
July 1, 2025
Tropical Depression Two to strengthen and strike Sunday
Tropical Depression Two should become Tropical Storm Barry on Sunday, bringing heavy rain and storm-force winds to Mexico.
June 29, 2025
Meteorites from Mercury: Have we finally found some?
Mysteriously, scientists have never confirmed any meteorites that have reached Earth from Mercury. But a new study has found 2 strong candidates.
June 29, 2025
