Scientists are investigating whether an asteroid impact could have triggered Earth’s first great flood, reshaping the planet’s surface billions of years ago. Evidence suggests that a massive space ...

There have been proposed hypotheses as to how the Moon could have developed a core dynamo. For instance, a 2022 analysis ...

Geophysical evidence suggests there is a massive ... we investigate what we believe – based on many years of experience in asteroid impact research – is the world’s largest known impact ...

Learn more about how this hydrothermal system may have provided life on Earth with vital nutrients after the dino-killing ...

“A large asteroid impact is potentially the only natural ... tragedy may be hard to coax from governments until convincing evidence of an impending threat is presented—an obvious issue ...

The first evidence of this second asteroid was uncovered ... which the team suspected could be an asteroid impact crater. Now, the researchers have taken new high-resolution, 3D seismic images ...

"We found that the momentum of the ensuing explosion is enough to eject the surrounding highly shocked rock material into ...

Did a collision with a giant asteroid or comet change the shape ... Melted Rock These pieces of once-molten rock, called impact ejecta, are evidence of an explosion powerful enough to instantly ...

Formed from molten debris that rained out from asteroid strikes, thick beds of these tiny orbs in Archean rocks are direct evidence for catastrophic impact events in Earth’s early history.

Over the years, researchers have gathered more and more evidence that the ... it will be vaporized.” The impact created a cloud of dust composed of the asteroid itself and the rock it landed ...

The impact released as much energy as 100 million ... But for decades, scientists have debated finer details: Was the impactor an asteroid instead of a comet—and if so, what type?