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iss-may2011-nasa-300
Blogs | Apr 22, 2014

How to spot the International Space Station

Every so often, the International Space Station (ISS) becomes visible in your night sky. Here’s how you can spot it.

Image via Neha Golwala
Blogs | Apr 22, 2014

Photos from friends: Favorite images of Earth

In celebration of Earth Day 2014, EarthSky has brought together some of our favorite images of Earth received from friends in past years. Thank you all!

First Earth Day 1970
FAQs | Apr 22, 2014

Why celebrate Earth Day on April 22?

Earth Day is celebrated on April 22 each year. But why April 22?

GlobalSelfieLogo_verticalstack
Science Wire | Apr 21, 2014

Make a #GlobalSelfie with NASA on Earth Day, April 22

Step outside and take a picture of yourself. Then post it to social media, using the hashtag #GlobalSelfie. NASA will use your photos to create a mosaic image of Earth.

arctic-seaice-nasa-300
Blogs | Apr 21, 2014

Arctic sea ice maximum in 2014 fifth lowest on record

Arctic sea ice reached its maximum extent for the year on March 21, 2014, according to the National Snow and Ice Data Center. It was the fifth lowest on record.

The Las Conchas Fire burned 150,874 acres in New Mexico in 2011. The wildfire was one of hundreds of fires looked at in a new study that found large wildfires in the western U.S. have increased in number and size over the past 30 years. Credit: Jayson Coil
Science Wire | Apr 18, 2014

More, bigger wildfires burning western U.S.

New research suggests that the trend could continue as climate change causes temperatures to rise and drought to become more severe in the coming decades.

7.5-magnitude earthquake April 18, 2014
Blogs | Apr 18, 2014

7.2-magnitude earthquake in Mexico

USGS said the quake was centered northwest of the Pacific resort of Acapulco, where many Mexicans are vacationing for the Easter holiday.

Residue from a laboratory experiment simulating the conditions of interstellar space. The residue contained vitamin B3 (and related compounds) and may help explain meteorite chemistry. Image credit: Karen Smith
Science Wire | Apr 17, 2014

Did vitamin B3 come from space?

Vitamin B3 – a vitamin essential to metabolism – might have been made in space and delivered to Earth by meteorites.

Via EarthSky Facebook friend Adrian Strand
Science Wire | Apr 16, 2014

Unexpected teleconnections in noctilucent clouds

Researchers investigating “night-shining” clouds found something they weren’t even looking for: teleconnections in Earth’s atmosphere that stretch all the way from the North Pole to the South Pole and back again

A view of the LHCb experiment at underground Point 8 on the Large Hadron Collider (LHC). The prominent tube is the LHC beam pipe, in which protons circulate at close to the speed of light.
Photo credit: Anna Pantelia/CERN
Science Wire | Apr 15, 2014

Large Hadron Collider discovers new form of matter

Researchers say that exotic hadrons -particles made up of two quarks and two anti-quarks – actually exist.

Bingham Mine landslide April 10, 1963 via U. Utah
Blogs | Apr 10, 2014

This date in science: Landslide at Bingham Canyon Mine

On April 10, 2013 – a year ago today – one of the largest non-volcanic landslides in the history of North America took place at the Bingham Canyon Mine in Utah.

Tambora in 2009. Image via NASA
Blogs | This Date in Science | Apr 10, 2014

This date in science: Largest volcanic eruption in recorded history

On April 10, 1815, Mount Tambora sent so much crud into the atmosphere that it blocked the sun. What became known as the Year Without a Summer came a year later, in 1816.

Artist's concept of asteroid collision via NASA
Science Wire | Apr 09, 2014

Cataclysmic asteroid impact some 3.26 billion years ago

Scientists have reconstructed a collision between the early Earth and an asteroid. It dwarfed the event that caused dinosaurs to go extinct 65 million years ago.

Unusually warm sub-surface water in Pacific 2014
Blogs | Apr 08, 2014

Warm water in Pacific could spark a monster El Nino in 2014

Scientists are watching a giant mass of sub-surface water in the Pacific. When this water reaches the sea surface, it could set off a powerful El Nino.

Blood Falls in Antarctica via ScienceNow in 2009
Blogs | Apr 08, 2014

Bright red Blood Falls, five stories high

The bright red waterfall was dubbed Blood Falls by geologists who discovered the strange glacial feature in Antarctica in 1911.

Old Faithful geyser in Yellowstone
Blogs | Apr 07, 2014

Earthquakes in Yellowstone: ‘Elevated but not unusual’

Heard about the recent earthquakes in Yellowstone? How about that video of bison fleeing the park? Does it mean the supervolcano is about to blow? No, and here’s why.

Photo by Alexander Semenov
Blogs | Photos | Apr 07, 2014

Astounding photos of marine worms, some previously unknown to science

Alexander Semenov photographed 222 different worm species, which are now in the process of being studied and documented by scientists. See photos.

Tungurahua volcano April 4, 2014 via AP
Blogs | Apr 05, 2014

Throat of Fire volcano in Ecuador erupts explosively

A five-minute explosion from Tungurahua volcano shot hot gas and rock 6 miles (10 km) into the air on April 4, 2014. More explosions and tremors followed.

Photo credit: davy liger
Science Wire | Apr 03, 2014

Why do zebras have stripes? To keep bugs off, says study

Researchers say they’ve solved the riddle of why zebras have stripes: The stripes act like insect repellant, keeping away blood-sucking flies, say researchers.

7.6-magnitude earthquake April 3, 2014
Blogs | Apr 03, 2014

Another powerful earthquake rocks northern Chile

For the second time in two days, a powerful earthquake has struck Chile. Today’s quake was 7.6 magnitude. It’s considered an aftershock of the 8.2-magnitude quake on April 1.

Tsunami travel times
Science Wire | Apr 03, 2014

Video: April 1 tsunami moving across Pacific

Near real-time animation of the tsunami that resulted from the April 1 earthquake off northern Chile. Amazing to see the waves move across the Pacific