资讯

“Transitional millisecond pulsars are cosmic laboratories, helping us understand how neutron stars evolve in binary systems,” ...
The analysis revealed that myrmecophagy evolved at least once in each major mammal group (placentals, monotremes, and ...
It was little more than a side comment, but it caught hold. Inspired by Schenkel, the now prolific wolf researcher David Mech ...
A coronal hole, visible in the images as the dark patch stretching across the surface, is a region of the Sun’s atmosphere – ...
“We found that certain species of human gut bacteria have a remarkably high capacity to soak up PFAS from their environment ...
B ack in 2018, a bumper crop of new spider assassins was discovered in Madagascar. They represented four new species in the ...
Dogs with a fearful temperament responded more strongly to non-animal TV sounds, such as doorbells and car noises. Dogs that ...
This strange sight is actually a floating forest island that stirs around in a surprisingly circular lake. It’s known as El Ojo, Spanish for “the eye”, located in the Paraná Delta north of the ...
Some people have reported seeing so-called “ witch’s hair ” drifting in the air. These are fine, sharp, glassy needles that are formed in volcanic eruptions when lava droplets rapidly cool and stretch ...
On July 20, for viewers in the US and Canada, the waning crescent Moon will pass in front of the Pleiades, eclipsing them ...
The Danube River begins in Germany at the confluence of two streams, the Brigach and Breg, just east of the city of Donaueschingen. They meet within the Black Forest of Baden-Württemberg, where on ...
Over the past two billion years, this supercontinent cycle has produced at least three major supercontinents: Columbia, Rodinia, and Pangea. Each one formed as landmasses gradually collided, only to ...