(Credit: NASA/JPL-Caltech)
TRAPPIST-1 has a solar system like no other. The tiny, tiny red dwarf is just barely big enough to be considered a star, and is, radius-wise, a hair bigger than Jupiter. When it was announced last May, there was some excitement: the system had three Earth-sized planets, and they might all be habitable.
We’re going to have to revise that, though. It has seven planets. The results of an intensive study were published today in Nature.
TRAPPIST-1 is so small that ...read more
A video screenshot shows a robot boat packed with explosives just moments before it strikes a Saudi missile frigate and explodes on Jan. 30, 2017. Credit: USNI News
A suicide boat attack that killed two sailors aboard a Saudi warship was apparently carried out by an unmanned, remotely-controlled boat. The U.S. Navy says the incident likely represents the first ever use of a suicide robot boat as a weapon on the high seas.
Suicide boat bombings carried out by human crews willing ...read more
(Credit: Cylonphoto/Shutterstock)
When a meteor screams through our upper atmosphere, it’s a silent show for us here on the ground. Most meteors burn up dozens of miles above the surface, and even if a sonic boom reaches us it comes minutes after the visual spectacle.
However, reports of meteors have for years been accompanied by reports of strange sizzling sounds filling the air, as if someone was frying bacon. Sound travels too slowly for the meteor to be directly responsible for the p ...read more
(Credit: Brittney Tatchell/Smithsonian Institution)
Unearthed in 1996 after part of his skull was found along the shores of the Columbia River in Washington, Kennewick Man, a 9,000-year-old Paleoamerican, would soon be regarded as the most important human skeletal discovery in American history.
A Crisis of Ancient Identity
When two college students reported that they had found a skull fragment in the river, scientists responded quickly. After searching for and collecting nearly 300 other ...read more
Author Vishay SinghPosted on Categories Discover Magazine
