Scientists say they have at last solved the mystery of what killed more than 5 billion sea stars off the Pacific coast of ...

Our ability to predict extreme weather from thunderstorms, like the recent catastrophic flash floods in Texas, is unsettlingly poor, even in the hours leading up to the event. Improvements in ...

To our immune system, naked RNA is a sign of a viral or bacterial invasion and must be attacked. But our own cells also have ...

It's August, which means Hot Science Summer is two-thirds over. This week, NASA released an exceptionally pretty photo of ...

US astronaut Jim Lovell, the commander of the Apollo 13 Moon mission which nearly ended in disaster in 1970 after a ...

After nearly five months onboard the International Space Station, an international crew of five astronauts began their descent back down to Earth on a SpaceX capsule Friday.

The Great Barrier Reef has experienced its greatest annual loss of live coral across most of its expanse in four decades of ...

New York is waging a war on multiple fronts to combat the near ubiquitous rats that plague city streets and the subways, ...

Wildfires release vast amounts of visible pollutants into the atmosphere that darken skies and push people indoors to avoid unhealthy air. But a near-invisible threat to public health associated with ...

The best time to watch a meteor shower is in the early predawn hours when the moon is low in the sky. Competing sources of ...

If Earthlings are ever going to colonize Mars, they won't be able to do so on an empty stomach—and Temidayo Oniosun thinks a ...

In the wake of a wildfire, there's often an assumption that burned landscapes will be more susceptible to landslides. But new ...