Despite our fascination with screams, science knows relatively little about them. The psychology of screams …
Posts by EarthSky
The Hubble Space Telescope has picked up the faint, ghostly glow of stars ejected from ancient galaxies that were gravitationally ripped apart several billion years ago.
Computer animation of Deinocheirus mirificus walking. The bizarre-looking dinosaur had unusually large forearms and features that seem cobbled together from other dinosaurs.
Tonight … two sky tips. First, as Halloween approaches, look for the star Beta Persei, otherwise known as the Ghoul Star. Also, find Mars!
Ebola’s first documented outbreak was in 1976. But the Ebola virus family has been around for 16 to 23 million years, says new research.
A team of astronomers has created the first three-dimensional map of the adolescent universe, just 3 billion years after the Big Bang.
Astronomers have discovered that our nearest galactic neighbors are devoid of star-forming gas, and that our Milky Way is to blame.
Astronomers struggle to learn about super-Earths – bigger than our Earth, smaller than Neptune – the most common type of planet found by the Kepler spacecraft.
A study demonstrates that Earth’s last magnetic reversal – 786,000 years ago – happened in roughly the span of a human lifetime.
Earth’s atmosphere is leaking into space, too, but only very, very slowly. Meanwhile, Mars is thought to have lost much of its atmosphere already.