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Space News from SpaceDaily.Com brings the space industry professional daily news from the frontier, with contract, bid, launch and on-orbit satellite news as it happens.
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On 31 January 1958, Explorer 1, America’s first satellite, began returning a baffling pattern from its Geiger counter: ordinary cosmic-ray counts followed by unexplained zeros. Van Allen’s team suspected the instrument was not failing but saturating under radiation too intense to register; two months later, Explorer 3’s complete recordings confirmed that the apparent silence marked a vast radiation belt surrounding Earth—the first of the belts now bearing Van Allen’s name.
2+ hour, 1+ min ago (515+ words) Explorer 1’s zero counts proved to be detector overload, and Explorer 3’s continuous record exposed the first of Earth’s Van Allen radiation belts....
In 2002 just 94 Iberian lynxes survived in two Andalusian pockets, 54 at Andújar and 40 at Doñana; the 2025 census counted 2,663 across 26 nuclei, with 542 territorial females
7+ hour, 4+ min ago (85+ words) In 2002, field teams could account for 94 Iberian lynxes on the entire planet, and every one of them lived in Andalusia: 54 in the scrub and holm oak of...
On 5 September 1977 Voyager 1 left Cape Canaveral at 721.9 kg; as of 21 August 2024 it was 164.7 AU from Earth, moving about 38,027 mph relative to the Sun and still returning data
1+ day, 1+ hour ago (177+ words) Nearly five decades after launch, humanity's most distant emissary continues whispering back from the edge of the solar system, defying every expectation of how long a machine can survive in the void....
Adult females of a millipede newly described from the Kazakh Altai have almost no second pair of legs, the subadult females still have them, and in both of the only two adult females collected the flattened leg bases block the genital opening
1+ day, 8+ hour ago (705+ words) The reduction appears to be unique in the millipede order Polydesmida, and in both known adult females the flattened leg bases sit over the vulva like a lid. More than forty adult males came out of the same litter sample, and…...
Opportunity’s solar panels were mysteriously getting cleaner long before the rover ever saw the suspected culprit: it did not photograph its first Martian dust devil until six and a half years after landing.
2+ day, 11+ hour ago (1267+ words) Opportunity’s changing power output recorded repeated wind-cleaning events years before its camera caught a dust devil. The six-and-a-half-year gap reveals the difference between detecting an effect and identifying its cause. By Mission Notes · Edited by Lachlan Brown Published September 10, 2026 · How…...
NASA lost a $125 million spacecraft at Mars because one engineering team used English units while another expected metric — the mismatch quietly pushed the orbiter onto the wrong trajectory after nine months in space
2+ day, 18+ hour ago (231+ words) A decade of planning and a quarter-billion dollars in funding vanished in seconds when two teams speaking different measurement languages sent a spacecraft crashing into Mars....
The United States is replacing every official latitude, longitude and height it publishes, existing coordinates will move by as much as four meters, and the million survey marks in the ground will no longer be what the system is measured from
3+ day, 37+ min ago (43+ words) The National Geodetic Survey has spent years building a replacement for the reference system that fixes every published position in the country. New geodetic-control submissions into the old system stop being accepted after January 13, 2027....
MIT engineers made water filters from slices of tree branches that removed more than 99% of E. coli and rotavirus in lab tests — after trials in India, the team designed a gravity-fed prototype that could filter a liter of water an hour
3+ day, 2+ hour ago (496+ words) As water crises worsen in developing nations, MIT researchers discovered that nature had already engineered the solution—hidden inside tree branches that cost nearly nothing to harvest....
Australian scientists extracted an enzyme from soil bacteria that produces electricity using traces of hydrogen in the air — it still worked after freezing or heating to 80°C, opening a possible route to small air-powered devices
3+ day, 2+ hour ago (621+ words) Published September 10, 2026 · How we edit Scrape up a teaspoon of garden soil and you are holding several billion bacteria, and a fair few of them are quietly running on nothing but air. The habit is widespread and consequential. Soil microbes…...
Olympus Mons grew so massive that parts of its lower flanks catastrophically collapsed, sending broken rock sliding hundreds of kilometres across the Martian plains—possibly lubricated when hot lava melted buried ice.
3+ day, 14+ hour ago (718+ words) Orbital evidence links Olympus Mons's aureole to immense flank failures. Water or ice may explain the long runout, but lava-driven melting remains one proposed mechanism....