subscribe

Enjoying EarthSky? Subscribe.

0 subscribers and counting ...

How leaves tell each other about a bug attack

“We often think of plants as being passive and at the mercy of their environment. My jaw literally dropped when I first saw these videos … They beautifully illustrate how active and complex plants really are.”

Report calls for direct images of Earth-like exoplanets

A congressionally-mandated report recommends that NASA lead efforts to directly image possibly Earth-like exoplanets, using upcoming technologies. A major goal is finding habitable – maybe even inhabited – worlds.

How meteorologists predict the next big hurricane

Hurricane Florence is barreling for U.S. coast, right at the height of hurricane season. How do experts know when and where the next big hurricane is going to hit? It’s complicated.

Alien-hunting AI discovers dozens of mysterious fast radio bursts

Astronomers with the Breakthrough Listen program used AI (artificial intelligence) to find 72 repeating, short, unpredictable radio bursts, from a mysterious source 3 billion light years away.

Top 3 myths about jellyfish

Myth #3: Applying urine to a jellyfish sting can reduce the pain

Hear the sounds of the sun

Listen to the vibration of the sun. “It has a warmth to it. It’s just enough where I can almost feel the sound on my skin.”

Love vines suck life from wasps, leaving mummies

For the first time, biologists have documented dueling parasites in South Florida. When love vines do battle with gall wasps, the result is wasp mummies.

Watch it get hotter, 1880-2017

An anomaly is something that deviates from what’s standard, or expected. This global warming visualization – created by Antti Lipponen of the Finnish Meteorological Institute – shows yearly temperature anomalies by country.

How a volcano helped defeat Napoleon at Waterloo

In June 1815, the Allied army defeated Napoleon’s army at Waterloo. An Indonesian volcano helped, says a scientist at Imperial College London.

OSIRIS-REx sets sights on asteroid Bennu

NASA’s 1st mission to a near-Earth asteroid is now on its final approach, and the space agency released the craft’s 1st images late last week. It’ll arrive at asteroid Bennu on December 3.

InSight halfway there! Update on Opportunity rover

Updates on 2 Mars missions, 1 old and 1 new. Insight is on course for a November touchdown. The 15-year-old Opportunity rover lost contact with Earth months ago, due to a global dust storm, but the engineering team is hopeful.

Compare sizes of sun and stars

It’s hard to get your head around the sheer size of objects in space, but take 2 minutes and give it a try!

Carbon monoxide from California wildfires drifts east

What happens in California doesn’t stay in California. This animation, made from satellite data, shows carbon monoxide from the state’s massive wildfires drifting eastward all the way across the U.S.

Wow! Zoom to the Milky Way’s center

Decades of work have gone into probing the heart of our Milky Way galaxy. Click in for a video showing stars orbiting the 4-million-solar-mass black hole at our galaxy’s core.

Want to trick your ears?

You’ll enjoy this video of audio illusions from the guys at AsapSCIENCE. Can you understand the talking piano?

How NASA will shield solar probe from crazy heat

The Parker Solar Probe, expected to launch Saturday, will get closer to the sun than any spacecraft in human history. How will the spacecraft withstand the heat?

Young star caught eating its planet

It had been theorized that some young stars might devour their planets. Now astronomers have the 1st solid evidence – from the Chandra X-ray Observatory – of just such an event caught in the act.

These spacecraft are studying Mars dust

Raging, planet-wide dust storms – like the one going on now – happen only every 6 to 8 years on Mars. Here’s how NASA spacecraft are studying it, plus a cool before-and-after video! 

Amazing Kilauea volcano imagery you might have missed

For more than 2 months, lava has been pouring from Hawaii’s Kilauea volcano, destroying homes and remaking the land. A compilation of photos and videos, here.

Apollo and the moon-landing hoax

Why do people persist in denying that human beings landed on the moon?