MEXICO CITY — A group of prominent scientists issued an appeal Wednesday to Mexico’s new president, Andres Manuel Lopez Obrador, calling on him to take the unprecedented step of outlawing the possession of gill nets in the upper Gulf of California to save the critically endangered vaquita porpoise.
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WASHINGTON — Scientists are seeing surprising melting in Earth’s polar regions at times they don’t expect, like winter, and in places they don’t expect, like eastern Antarctica.
WASHINGTON — NASA’s first look at a tiny asteroid shows the space rock is more moist and studded with boulders than originally thought.
MOSCOW — Two Russian cosmonauts were preparing to venture outside the International Space Station Tuesday to inspect a section where a mysterious leak has been discovered.
WASHINGTON — Scientists think they’ve figured out the falling dominoes that led to Earth’s largest mass extinction and worry that human-caused climate change puts the planet on a vaguely similar path.
CAPE CANAVERAL, Fla. — After a two-year chase, a NASA spacecraft arrived Monday at the ancient asteroid Bennu, its first visitor in billions of years.
CAPE CANAVERAL, Fla. — Minutes after touching down on Mars, NASA’s InSight spacecraft sent back a “nice and dirty” snapshot of its new digs. Yet the dust-speckled image looked like a work of art to scientists.
The photo revealed a mostly smooth and sandy terrain around the spacecraft with only one sizable rock visible.
CAPE CANAVERAL, Fla. — A NASA spacecraft’s six-month journey to Mars neared its dramatic grand finale Monday in what scientists and engineers hoped would be a soft precision landing on flat red plains.
The InSight lander aimed for an afternoon touchdown, as anxiety built among those involved in the $1 billion international effort.
WASHINGTON — Cat lovers know when kitties groom, their tongues are pretty scratchy. Using high-tech scans and some other tricks, scientists are learning how those sandpapery tongues help cats get clean and stay cool.
The secret: Tiny hooks that spring up on the tongue with scoops built in to carry saliva deep into all that fur.
ANCHORAGE, Alaska — The first formal count of polar bears in waters between the United States and Russia indicates they’re doing better than some of their cousins elsewhere.