[ad_1] Simulations of a potential impact by a hill-sized space rock event next century have revealed the rough ride humanity would be in for, hinting at what it’d take for us to survive such a catastrophe. It’s been a long, long time since Earth has been smacked by a large asteroid, but that doesn’t mean […]
[ad_1] As far as supermassive black holes go, the one at the center of the Milky Way is relatively sedate. But, even in its supposed quiescent state, Sagittarius A* is prone to the occasional belch or rupture – and now, using JWST, astronomers have recorded it doing something we’ve never seen before. On 6 April
Supermassive Black Hole Caught Doing Something Never Seen Before : ScienceAlert Read More »
[ad_1] There is no sea creature whose name inspires terror – rightly or wrongly – as much as the great white shark. With its sleek body optimized for hunting, its sharp teeth, and its (somewhat undeserved) reputation for enjoying human flesh, the great white (Carcharodon carcharias) is widely regarded as one of the ocean’s top
Great White Sharks Scared From Their Habitat by Just 2 Predators : ScienceAlert Read More »
[ad_1] Earth’s day-night cycle is defined precisely, each a span of 24 hours before the next begins. Such is the yardstick by which we live our lives, strictly adhering to the ticking of the clock. Earth, however, is not precise. Our planet is a big wobbly gooey ball rocketing around the Sun at a breakneck
Something In Earth’s Core May Be Altering The Length of Days Read More »
[ad_1] If you are reading this, you are probably not alone. Most people on Earth are habitats for mites that spend the majority of their brief lives burrowed, head-first, in our hair follicles, primarily of the face. In fact, humans are the only habitat for Demodex folliculorum. They are born on us, they feed on
Skin Mites That Mate on Our Faces at Night Are Gradually Merging With Humans Read More »
[ad_1] There was water on Mars as early as 4.45 billion years ago, just a short time after the planet formed from the leftover dust of the growing Sun. The evidence? A tiny grain of zircon, smaller than the width of a human hair, with minerals trapped inside that could only have formed in the
The Oldest Evidence For Water on Mars Reveals It Was Extremely Hot : ScienceAlert Read More »
[ad_1] A rock on Mars spilled a surprising yellow treasure after Curiosity accidentally cracked through its unremarkable exterior. When the rover rolled its 899-kilogram (1,982-pound) body over the rock back in May, the rock broke open, revealing yellow crystals of elemental sulfur: brimstone. Although sulfates are fairly common on Mars, this represents the first time
Curiosity Cracked Open a Rock on Mars And Found a Big Surprise : ScienceAlert Read More »
[ad_1] Picture yourself sinking, slowly, beneath the waves. As you fall, the Sun becomes smaller, and dimmer, and dimmer still. The cold waters crush in around you as the pressure increases. Now you’re in complete darkness, so deep that the sunlight can’t reach you. Then, astonishingly, you see a flicker of light, from a creature
Ghostly Creature Deep in The Ocean Is Like Nothing We’ve Seen Before : ScienceAlert Read More »
[ad_1] Off the coast of Chile and Peru, along the entire western length of South America, the seafloor takes a sharp, steep plunge deep into the Pacific Ocean. Known as the Chile margin, the region is defined by three tectonic plates sliding underneath the continental plate of South America. This process generates some interesting activity.
Stunning Footage Reveals Ocean Floor Absolutely Teeming With Spider Crabs : ScienceAlert Read More »
[ad_1] If you’ve ever thought to yourself, “Gee I sure would like to see some vampire bats on treadmills,” then do we have the science for you. That’s exactly what a team of scientists has done, and it’s not because little Vladi needed to get his chiropteran steps in. Rather, the new research reveals how
Vampire Bats Run on Little Treadmills to Reveal How They Metabolize Blood : ScienceAlert Read More »
