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Geminid meteor in 2012 by Henry Shaw.
Blogs | Photos | May 04, 2016

How to shoot photos of meteors, or shooting stars

Want to try to capture a meteor on film? The first step is planning. The next step is to gather your equipment. Then on to the capture process itself.

Photo credit: James Jordan
Science Wire | May 04, 2016

Top 3 tips to avoid mosquito bites

Simple things you can do to get fewer mosquito bites this summer.

embryo_bamboo_shark_-branchial_rays-e1461606369560 (1)
Science Wire | Apr 30, 2016

Did human limbs evolve from shark gills?

The Sonic Hedgehog gene drives embryonic development of mammal limbs and shark gills. Could our limbs have evolved from gills?

An illustration of Earth’s magnetic field shielding our planet from solar particles. Image via NASA/GSFC/SVS.
Science Wire | Apr 28, 2016

Did Earth’s magnetic field collapse for 2 hours on April 23?

No, Earth’s magnetic field did not collapse for 2 hours on April 23. The erroneous story, which is still spreading, originated with a glitch in a computer simulation.

Science Wire | Apr 26, 2016

Watch NASA build James Webb Space Telescope

The JWST mirror covers off for a few days this week, and webcams are set up at Goddard Space Flight Center. Watch!

Health effects of the Chernobyl disaster are still felt 30 years on. Photo credit: Garanich/Reuters
Science Wire | Apr 26, 2016

Chernobyl worst nuclear accident of all time

The meltdown at the Chernobyl Nuclear Power Plant on April 26, 1986 exposed 572 million people to radiation. It was far worse than the 2011 Fukushima accident.

Brown recluse spider. The photo shows its size in relation to a quarter. – Photo courtesy of K-State Research and Extension
Science Wire | Apr 25, 2016

10 things to know about brown recluse spiders

It’s their active season. Here are 10 things to know about these venomous spiders that like to live where we do.

Montauk Point lighthouse. Photo: Neeti Kumthekar
Science Wire | Apr 23, 2016

What are star trails? How can I capture them?

As Earth spins under the sky, the stars appear to move. When a camera captures that movement, that’s called a star trail. Plus … an astrophotographer explains how he does it.

First Earth Day 1970
Science Wire | Apr 22, 2016

Why is Earth Day on April 22?

April 22, 1970 – Arbor Day – was the first Earth Day. Today, a common practice in celebration of Earth Day is still to plant new trees.

Photo credit: Smithsonian
Science Wire | Apr 18, 2016

Are super smart octopuses conscious?

Lots of non-humans – octopuses, crows, monkeys, machines – are intelligent. Could some also be conscious?

This green moon photo was created via photo processing, and is via Wikimedia Commons.
Science Wire | Apr 17, 2016

Green moon on April 20, 2016? Not true

No, there won’t be a green moon on April 20, 2016 … or on May 29. Some possible origins of this latest urban legend.

7.0 earthquake in Japan on April 15, 2016.
Science Wire | Apr 17, 2016

Powerful earthquakes in Japan and Ecuador

Japan was struck by a 7.0-magnitude earthquake on April 15, 2016. One day later, on April 16, Ecuador was struck by a 7.8-magnitude earthquake.

Image credit: Yining Karl Li
Science Wire | Apr 15, 2016

Top 6 things about gravity

Gravity does far more than make things fall down. It governs the motion of planets around the sun, holds galaxies together and determines the structure of the universe.

Bottlenose dolphins have been dying in record numbers in their mothers' womb or shortly after birth in areas affected by the 2010 Deepwater Horizon oil spill in the Gulf of Mexico. Photo credit: NOAA
Science Wire | Apr 12, 2016

Gulf of Mexico dolphin deaths likely due to oil exposure

Study finds higher rate of illness and death in newborns and juvenile bottlenose dolphins after Deepwater Horizon oil spill.

Airplane glory via Brocken Inaglory at Wikipedia
FAQs | Apr 12, 2016

What is a glory?

People traveling in airplanes often see glories. The sun has to be behind your head. You’ll see the plane’s shadow cast on a cloud, surrounded by a halo of light.

The Tadulako University/Western Kentucky University team in Palu, Indonesia.
Science Wire | Apr 04, 2016

Where exactly is the moon? Eclipse stories from Indonesia

The solar eclipse of March 9, 2016 brought together students from around the world – and EarthSky helped to make it happen.

Science Wire | Apr 03, 2016

Ocean temps predict heat waves 50 days out

Scientists identified what they call the Pacific Extreme Pattern – warm seawater next to cool seawater – and showed its connection to heat waves weeks later.

Full moon photo by EarthSky community member Fernando Alvarenga in San Salvador.
Science Wire | Apr 03, 2016

Why does the moon seem to follow you?

You, or your kids, might notice this. When you’re moving in a car, earthly objects get left behind, but the moon seems to follow. Why?

Photo: © Vladimir Melnik / Fotolia
Science Wire | Apr 01, 2016

Sea-level rise underestimated by half?

A new study suggests that sea-level rise over the next 100 years could be nearly double earlier estimates.

A 22W laser used for adaptive optics on the Very Large Telescope in Chile. A suite of similar lasers could be used to alter the shape of a planet's transit for the purpose of broadcasting or cloaking the planet. Credit: ESO / G. Hüdepohl
Science Wire | Apr 01, 2016

Laser cloaking to hide Earth from aliens?

If we wanted to hide Earth from alien civilizations, could we do it? Apparently, we could, according to new work by two scientists at Columbia University.

Photo by Osiris Castillo in Casares, Nicaragua. Visit Osiris on Facebook.
Science Wire | Mar 31, 2016

Global astronomy month begins April 1

April, 2016, is Global Astronomy Month 2016 (#GAM2016), organized by Astronomers Without Borders, whose motto is One People One Sky.