Cloud cover is bad for picnics and for viewing stars through a telescope. But an exoplanet with dense or even total cloud ...

After briefly escaping from Earth's view during a (very) close approach to the sun on Oct. 30, Comet 3I/ATLAS can finally be ...

If you've ever looked up at the sky and seen an airliner flying overhead, you may have noticed white trails behind it.

New research shows most long-lasting contrails form inside natural clouds, reshaping how airlines plan climate-friendly flight routes.

Fortnite's latest crossover event with The Simpsons--which includes multiple Simpsons-themed skins and a new map inspired by ...

We’re always looking for ways to have better water policy and be more innovative,” Republican U.S. Rep. Celeste Maloy said of ...

Research team identifies common environmental conditions for the formation of contrails and provides initial insights into ...

A Washington Post investigation shows why one region of the United States is increasingly vulnerable to extreme rainfall and ...

New forms of private equity funds give access to ordinary investors of more modest means. Should they rush in?

Try to find the darkest, most open area possible, though elements in the foreground — buildings, trees, bridges — help anchor ...

New research shows most long-lasting contrails form inside natural clouds, reshaping how airlines plan climate-friendly ...

Astronomers have discovered that the iconic Pleiades cluster, long admired as the “Seven Sisters,” is only a small part of a ...