Perseverance detects the finest dust ever recorded on Mars
Particles of about 100 nanometers may pose a challenge for astronauts and for spacesuit design.
Science
Brazilian research and scientific discovery.
10 storiesRubin Observatory discovers dwarf planet candidate beyond Pluto
The object provisionally called 2026 ED138 may measure between 600 and 1,500 km and be among the largest bodies ever found in the region.
NASA's Swift telescope expected to fall to Earth after failed rescue mission
The observatory that detected more than 2,000 gamma-ray bursts ended operations after nearly 22 years in space.
Oct 27 · 09:45
Supercomputer simulation recreates the 'childhood' of the Universe, but leaves a puzzle
The Lumina model tracks the first 2 billion years of the cosmos and produces fewer giant galaxies than the James Webb telescope has been observing.
Nov 03 · 12:00
DNA links Native Hawaiians to Easter Island and reveals 7,000 km Pacific crossing
Study in Science indicates that navigators from Rapa Nui were among the first to colonize Hawaii.
Nov 03 · 06:00
Bones from caves in Spain point to cannibalism in the Stone Age
Study analyzed 967 human remains from at least 60 individuals and saw marks consistent with dismemberment, boiling and breaking for consumption.
Nov 02 · 06:00
Turkey-sized dinosaur identified as the first to eat fruit
The 66-million-year-old Infernogallus jamesi had no teeth and a parrot-like head.
Oct 28 · 12:00
Comets may have contributed less to the origin of life than assumed
Cambridge simulations indicate it would be rare for a comet to deliver a significant amount of hydrogen cyanide intact to Earth.
Oct 28 · 02:00
Gas rings around a dead star may foreshadow the future of the Solar System
Astronomers see a never-before-seen structure around the white dwarf J1328−1450, possibly maintained by two bodies that survived the star's death.
Oct 27 · 03:30
Fossils in China reveal amphibian that may have been the first to live only in the sea
The 237-million-year-old Gerrothorax maritimus had bony armor and gills; none of the more than 8,000 living amphibians is fully marine.