Strange cone-shaped rocks led scientists to the hidden remains of one of Earth’s oldest asteroid impacts. It could help us find fossil life on Mars.

Giant, large-scale eruptions can have more serious impacts. One such event contributed to the demise of the dinosaurs 66 ...

The shortest ever day on Earth is recorded today, with Earth rotating 1.3 milliseconds faster than the standard time, ...

For one, scientists observe a "cosmic fossil" called the cosmic microwave background (CMB). The first light that was free to ...

In May the atmosphere’s concentration of carbon dioxide exceeded 430 parts per million for the first time in recorded history. That’s bad news for many ecosystems and for human communities and ...

When a new “Superman” movie debuts this weekend, it will embrace America’s icons – and its cultural debates. The Man of Steel ...

In the remote reaches of Arizona s Petrified Forest National Park, scientists have unearthed North America's oldest known pterosaur a small, gull-sized flier that once soared above Triassic ecosystems ...

Our top-rated star projector, the Orzorz Galaxy Lite, is now $59 for Amazon Prime Day, and includes 5 projection discs to get ...

Over the past two centuries, humans have locked up enough water in dams to shift Earth's poles slightly away from the ...

Satellite observation of the imbalance between incoming and outgoing radiation in the atmosphere, which causes global warming ...

Scientists have unearthed in Arizona fossils from an assemblage of animals, including North America's oldest-known flying reptile, that reveal a time of transition when venerable lineages that were ...

"Eight minutes later, the orbiter started receiving data from the descent probe, which slammed into the top of the Jovian atmosphere at a comet-like speed of 170,000 kilometers per hour," NASA ...