Brazilian scientists have discovered glassy fragments, known as tektites, revealing evidence of a massive extraterrestrial impact event that occurred 6.3 million years ago.

Why it matters: While not evidence of life, these discoveries show that ancient Mars had complex organic chemistry, ...

The lunar rocks collected by Apollo astronauts suggested the moon had a strong magnetic field. A new analysis shows the opposite.

“Importantly, RC25-038 is an important result, being the first drill-based confirmation of rare earth elements at Colosseum.

Scientists in Brazil have uncovered evidence of a previously unknown impact event recorded in hundreds of glassy fragments scattered across the country.

That's because a fragment of it landed in the family driveway, where the Wilcocks saw it in the morning. They described it as if someone had thrown a piece of coal at the ground. It actually made a ...