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 ...

A research team led by Prof. Tian-Bao Ma from the Department of Mechanical Engineering at Tsinghua University has proposed a ...

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 ...

Recent physics studies have found that light can sometimes flow in unexpected ways, behaving like a so-called "superfluid." ...

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 ...