It’s their active season. Here are ten things to know about these venomous spiders that like to live where we do.
Share pics and video of your favorite places on Earth to social media with hashtag #NoPlaceLikeHome.
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.
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 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.
Encounters between sperm whales and ROVs – remotely operated underwater vehicles – are rare. Watch this video, posted April 14.
Satellite view makes clear how unlucky the 150 people of the town of Fairdale were on April 9.
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.
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 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.
Dates for the sun’s entry into each sign of the Zodiac (and corresponding ecliptic longitude) for the year 2015.
Who do you see? Take a couple of minutes to have some fun. Video from the guys at AsapSCIENCE.
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.
No matter what the weather where you are, enjoy these photos from EarthSky friends on Facebook and G+.
The world’s largest particle smasher restarted Sunday after a two-year upgrade.
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.”
Happy birthday April babies! Your birthstone, the diamond, is the rich cousin of graphite.
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.
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.
The thing that got us off the hook? A big hot interception 200 million years ago.
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.