During an allergic reaction, some immune cells attack others
Some immune cells stab their cellular partners during allergic reactions. Mast cells, the immune system’s security patrols, can trigger allergic […]
Mars’ potato-shaped moons may be the remains of a shattered asteroid
Mars’ moons may be the remnants of an asteroid with a rogue star that came too close to the Red
A near-Earth asteroid provides clues to a dark matter theory
A hypothetical “fifth force” could attract asteroids, if it exists. But asteroid Bennu shows no signs that its orbit has
A sudden ice collapse hints at disturbing changes on the Antarctic coast
A hot spot is starting to form along the coast of East Antarctica. An ice shelf that broke apart seemingly
Some countries have eliminated malaria, but cases are increasing elsewhere
The world has made progress towards eliminating malaria, with 44 countries and one territory (La Réunion) certified as malaria-free. Egypt,
What would it take to protect the world from an asteroid?
How to kill an asteroidRobin George AndrewsWW Norton & Co., $29.99 The dinosaurs met a gruesome death at the hands
Feather-inspired aircraft flaps can enhance flight performance
The aircraft wing may be the next big thing in aviation. The wings of the birds are contoured with overlapping
New videos reveal the hidden lives of Andean bears
Camera collar footage is revealing the secret lives of Andean bears (Tremarctos ornatus), the only surviving South American ursid. A
US hospitals continue to close labor and delivery services
Increasingly, people giving birth cannot count on their nearest hospital to have the specialist health care they need. The researchers
A pair of spacecraft will fly in formation to create artificial solar eclipses
A pair of spacecraft just launched to create hundreds of artificial solar eclipses in orbit. The European Space Agency’s mission,