Asteroid Dust Triggered an Explosion of Life on Ancient Earth0
- Ancient Archeology, From Around the Web, Space
- September 19, 2019
466 million years ago, the break-up of a large space rock may have led to major changes in our planet’s biodiversity
466 million years ago, the break-up of a large space rock may have led to major changes in our planet’s biodiversity
The behemoth at the center of the galaxy flared up in near-infrared wavelengths
The age debate has taken another turn.
Small methane-filled lakes on the surface of Titan were likely formed by explosive, pressurized nitrogen just under the hazy moon’s surface, according to a new analysis of radar data from NASA’s Cassini spacecraft.
General relativity suggests the spacetime oddities can be fully described by their mass and spin
The metallic asteroid Psyche has mystified scientists because it is less dense than it should be, given its iron-nickel composition. Now, a new theory could explain Psyche’s low density and metallic surface.
The alien space rock has a pronounced tail and a hyperbolic path, suggesting it comes from beyond our solar system
When a colossal space rock came crashing down 66 million years ago onto what is now the Yucatan Penninsula in Mexico, it triggered widespread changes on Earth and abruptly ended the reign of the dinosaurs. Now, researchers are focusing on learning the extent of the asteroid’s destructive might and the immediate aftermath at ground zero, a location now known as the Chicxulub crater.
Scientists say Milky Way’s Sagittarius A* has been more active in recent months
NASA’s Lunar Reconnaissance Orbiter will try to locate India’s Vikram lander on the moon during a flyover of the landing site Tuesday. Indian space officials said they found the disabled spacecraft on the moon using the country’s own Chandrayaan 2 orbiter, but declined to release any images.