Ancient people would have been greeted with a huge wall of ice (Stock image/Getty) A wall of ice thousands of feet high would have blocked ancient people from entering America via a land bridge fro… [+3244 chars]
The overdeveloped spiral arm of the galaxy NGC 772, which was created by tidal interactions with an unruly neighbor, dominates this observation made by astronomers using the Gemini North telescope lo… [+2767 chars]
Space weather experts have spotted the sun ejecting a large mass of particles* and believe it could hit Earth in the next few days. When ejections like this impact Earth’s magnetic field, they can c… [+5030 chars]
image: These six cubes show the simulated distribution of galaxies at redshifts 9, 8, 5, 3, 2, and 1, with the corresponding cosmic ages shown. As the universe expands, the density of galaxies within… [+8193 chars]
Using a previously published and carefully curated 68-gene dataset, the scientists ran a battery of mathematical models to reconstruct the evolution of protein sequencesthe results of which, have bee… [+3959 chars]
A team of physicists recently discovered a new phase of water ice, after they put ordinary ice under extraordinarily high pressure and melted it before letting it refreeze. The previously unknown pha… [+2959 chars]
In typical breads, yeast produces bubbles via a biochemical process, causing dough to rise and develop into light, airy and tasty treats. Without that yeast, it is difficult to make morsels with the … [+2430 chars]
On March 22, the newest U.S.-European sea level satellite, named Sentinel-6 Michael Freilich, became the official reference satellite for global sea level measurements. This means that sea surface he… [+4636 chars]
The Soyuz MS-21 crew ship (upper left) with three cosmonauts aboard approaches the space station for a docking on March 18. Credit: NASA The International Space Station is hosting 10 individuals aft… [+2299 chars]
NASA’s Perseverance rover uses microphones to record sounds on Mars that researchers have used to measure the speed of sound on that planet. Last February, the internet was awash with alien sounds a… [+4745 chars]
Modeling the impact of meteorological forces on the Red Sea shows that winds in the southern part of the sea modulate sea-level surges across the basin. A study of the relative contributions of surf… [+3321 chars]
Suppose that we could watch twenty generations of whales or sharks adapting to climate change — measuring how they evolve and how their biology changes as temperatures and carbon dioxide levels rise.… [+4050 chars]
