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Inside Mercury’s Raditladi and Eminescu craters, MESSENGER images revealed glacier-like flows that may consist of salts and other volatile-rich material preserved for more than a billion years—raising the possibility of buried niches analogous to salt deposits inhabited by extremophiles in Earth’s Atacama Desert.
22+ hour, 35+ min ago (1157+ words) MESSENGER mapped glacier-like runouts and hollows in two Mercury craters; salt-flow models explain their form and longevity, but neither composition nor habitability has been demonstrated....
Models of the flood that refilled the Mediterranean put its peak flow through Gibraltar at roughly 100 million cubic metres a second — around 1,000 times the Amazon's average discharge — with erosion at the Camarinal Sill reaching roughly 0.4 metres a day
2+ day, 17+ hour ago (105+ words) When an ancient sea vanished, its return was so catastrophic that it reshaped geology itself—yet scientists still debate exactly how violent the deluge truly was....
Researchers have documented mugger crocodiles and American alligators positioning sticks and twigs on or around their snouts during birds’ nesting season — apparently using the sought-after nesting material as bait to lure birds within striking distance.
5+ day, 8+ hour ago (789+ words) Crocodiles may be smarter than we thought—or we may be reading too much into their stick-gathering habits near nesting birds. By Life Signs · Edited by Mal James Published August 22, 2026 · How we edit A crocodile lies still in shallow water…...
Jupiter pulls so hard on Io that the moon’s solid ground rises and falls by as much as 100 metres every orbit — a tide in rock the height of a 30-storey building, and the repeated flexing powers the most volcanically active world in the Solar System
6+ day, 9+ hour ago (1555+ words) Io's ground can move by as much as 100 metres as Jupiter's changing tide flexes the moon, converting orbital energy into the heat that drives its volcanoes. By Lachlan Brown · Edited by Lachlan Brown Published August 21, 2026 · How we edit Io looks…...
The Moon is rusting even though it has no air and almost no liquid water — and the leading explanation is that oxygen escaping Earth rides our magnetic tail 385,000 kilometres into space during the few days each month when the solar wind is blocked
6+ day, 13+ hour ago (687+ words) Chandrayaan-1 found hematite near the lunar poles. Orbital patterns and laboratory tests point to oxygen ions escaping Earth and reaching the Moon through our magnetotail....
The US Navy once sent aquanauts to live on the ocean floor for weeks, hoping SEALAB would prove humans could colonise the deep. Instead, one diver died, the program collapsed, and the underwater future quietly disappeared
1+ week, 2+ day ago (551+ words) What began as humanity's bold dream to conquer the ocean's depths became a cautionary tale about the limits of ambition and the price of pushing too far too fast. Published August 18, 2026 · How we edit Carpenter was the second American to…...
Earth has had eight continents all along — the one missing from every map and school textbook is nearly twice the size of India, 94 percent underwater, and has been quietly sitting beneath the South Pacific for 85 million years
2+ week, 1+ day ago (108+ words) Zealandia is a coherent 4.9-million-square-kilometre body of continental crust, about 94 per cent submerged. Its classification depends on geology beneath the coastline, not a newly discovered landmass....
A rock blasted off Mars is not a comet and is only a meteor for seconds; in space it is a meteoroid, and on the ground it becomes a Martian meteorite
2+ week, 1+ day ago (508+ words) The same Martian rock transforms into four different things before scientists can even study it....
About 70 million years ago, a year had roughly 372 days, which means each day ran about half an hour shorter than yours. The figure was read from the growth layers of a single fossil clam from the mountains of Oman
2+ week, 2+ day ago (230+ words) Ancient clams have left us a record of Earth's rotation written in their shells, revealing a planet that spun faster in the age of dinosaurs....
Mars can snow carbon dioxide at its poles, while some of its warmest summer landscapes grow dry-ice frost overnight that vanishes back into gas after sunrise
2+ week, 2+ day ago (583+ words) Mars can produce snow from carbon dioxide near its winter poles. Far from those seasonal caps, however, the same material can appear in a quieter and more...