This is the first observational evidence that re-entering space debris leaves a detectable, human-caused chemical fingerprint ...

For the first time ever, scientists have observed in near real time a cloud of air pollution created as a SpaceX rocket ...

Since the 1990s, scientists have discovered approximately 6,100 planets outside our solar system, called exoplanets.

Harvard University researcher Michael McElroy made groundbreaking contributions to climate science and helped shape global ...

Close-up measurements from NASA’s Parker Solar Probe are giving scientists an unprecedented look at how the solar wind gains ...

Meteorological tsunamis, or meteotsunamis, are long ocean waves in the tsunami frequency band that are generated by traveling ...

The study found that those aerosols could warm parts of the upper atmosphere by about 1.5 degrees Celsius within one or two ...

What do airplanes, rockets, GPS, and even your phone have in common? In this Discovery Deep Dive, Nicolas Tiedemann unpacks the science of aerospace engineering, from the early days of flight to the ...

Look up on a clear night, and you might catch a strange kind of light show. A glowing streak of light, moving slower than a meteor, disintegrates piece by piece. That’s not a comet or a shooting star ...

Picture a spacecraft returning to Earth after a long journey. The vehicle slams into the planet's atmosphere at roughly 17,000 miles per hour. A shockwave erupts. Molecules in the air are ripped apart ...

With Area 51 ruled out by President Obama, where might aliens really be hiding? Scientists have now revealed the best candidates.