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Brown recluse spider. The photo shows its size in relation to a quarter. – Photo courtesy of K-State Research and Extension
Science Wire | Apr 23, 2015

10 things to know about brown recluse spiders

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

cropped-nasa-earth-day-no-place-like-home
Science Wire | Apr 21, 2015

Celebrate Earth Day 2015 with NASA

Share pics and video of your favorite places on Earth to social media with hashtag #NoPlaceLikeHome.

First Earth Day 1970
Science Wire | Apr 21, 2015

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.

I don’t want to bite you. Photo credit: Travelbag Ltd
Science Wire | Apr 21, 2015

What’s the real deal with shark attacks?

Sharks are incredibly unlikely to bite you. They’re even less likely to kill you. However, we remain fascinated with their ability – and occasional proclivity – to do just that.

The smell of rain.  Photo is a video still from Jon Kasbe's wonderful short film Life Reflected.
Science Wire | Apr 18, 2015

What is the smell of rain?

The word for it is “petrichor.” It’s the name of an oil that’s released from Earth into the air before rain begins to fall.

whale-3
Science Wire | Apr 15, 2015

Sperm whale meets deep-sea vehicle

Encounters between sperm whales and ROVs – remotely operated underwater vehicles – are rare. Watch this video, posted April 14.

View larger | Image credit: NASA
Science Wire | Apr 15, 2015

Tornado track in northern Illinois

Satellite view makes clear how unlucky the 150 people of the town of Fairdale were on April 9.

Sucessful lift-off of SpaceX Falcon 9 on April 14, 2015.
Science Wire | Apr 14, 2015

Liftoff!

SpaceX Dragon capsule now on its way to International Space Station after Tuesday’s successful liftoff via Falcon 9 rocket. Rendezvous set for Friday morning.

Airplane glory via Brocken Inaglory at Wikipedia
FAQs | Apr 12, 2015

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.

Image via Shutterstock
Blogs | Apr 08, 2015

Game on! Teaching science with games

The average U.S. student has played roughly 10,000 hours of games by the end of high school – only a little less time than the hours spent in school.

The Zodiac via Discovery News
Tonight | Apr 08, 2015

Dates of sun’s entry into each sign of the Zodiac

Dates for the sun’s entry into each sign of the Zodiac (and corresponding ecliptic longitude) for the year 2015.

Screen Shot 2015-04-07 at 3.26.12 PM
Science Wire | Apr 07, 2015

How good is your eyesight? Take this test.

Who do you see? Take a couple of minutes to have some fun. Video from the guys at AsapSCIENCE.

1024px-Caramel_burmese_python
Science Wire | Apr 07, 2015

The python that’s eating Florida

Burmese pythons were imported to Florida as pets. Now tens of thousands of them are in the wild and they’re eating … everything. New York Times video.

Spring bud, 2015, from our friend Daniela Claudia G in Burcharest.
Science Wire | Apr 07, 2015

Signs of spring! Have a look …

No matter what the weather where you are, enjoy these photos from EarthSky friends on Facebook and G+.

The Large Hadron Collider
Science Wire | Apr 06, 2015

Large Hadron Collider is back up!

The world’s largest particle smasher restarted Sunday after a two-year upgrade.

John Burroughs
Blogs | This Date in Science | Apr 03, 2015

This date in science: John Burroughs’ birthday

John Burroughs, one of the first naturalists, was the first to say, “I go to nature to be soothed and healed, and to have my senses put in order.”

diamond
Science Wire | Apr 01, 2015

What’s the birthstone for April?

Happy birthday April babies! Your birthstone, the diamond, is the rich cousin of graphite.

coastline-cp
Science Wire | Mar 31, 2015

Like coastlines? You’ll like this video

Should you spend a glorious summer day – or a cold, windy winter day – collecting beach-cast seabird carcasses in the name of citizen science? Maybe. Watch a video.

Lunar eclipse illustration courtesy of Luc Viatour
FAQs | Mar 27, 2015

What is a Blood Moon?

A lunar tetrad – four total lunar eclipses in a row – began a year ago. The third eclipse in this tetrad will take place on April 4, 2015.

cropped-toilet-jaws-giant-salamander
Science Wire | Mar 26, 2015

Super salamander nearly ate our ancestors

The thing that got us off the hook? A big hot interception 200 million years ago.

Photo credit: NASA
Science Wire | Mar 26, 2015

First one-year ISS crew to launch Friday

The goal of the mission is to find out how the human body responds to a prolonged stay in space. Watch the launch, watch the arrival.