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Latest snow on record for thousands of US locations

What’s the latest date that measurable snow has fallen in different parts of the United States? Check this interactive map from NOAA to find your record latest snow.

What is an exoplanet?

Humans have been speculating about their existence for thousands of years, but ours is the 1st generation to know, with certainty, that exoplanets are really out there.

Underwater noise pollution stresses aquatic animals

The roar of motors, ping of military sonar, bangs and blasts from offshore development are distracting, confusing, and even killing, aquatic animals.

Sun in 3 different wavelengths

Solar Dynamics Observatory image of the sun captured in 3 different extreme ultraviolet wavelengths.

Whoa! New and giant telescopes ahead

Telescope technology has come a long way. Here are 4 new amazing machines for observing the universe, both from space and from Earth.

Goodbye Kepler, hello TESS: Passing the baton in exoplanet search

When NASA first started planning the Kepler mission, no one knew if the universe held any planets outside our solar system. Thousands of exoplanets later, the search enters a new phase.

Hubble finds an Einstein ring

The arcs you see at the center of this Hubble Space Telescope image are created by the light of distant galaxies, distorted to form what’s called an “Einstein ring.”

Look up: It’s a satellite!

“I use the Heavens Above astronomy site or the Starry Night app to check on satellites … they are fun to spot.”

Does space weather threaten high-tech life?

The wired Earth of the 21st century is at the mercy of the volatile nature of the sun, says a scientist who studies solar storms.

The amazing feathers of an outlandish bird

The super-black feathers of Birds of Paradise absorb almost every last bit of light that strikes them. This black is so dark your eyes can’t focus on its surface.