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Night falls when you enter Earth's shadow
FAQs | Oct 24, 2014

When can you see Earth’s shadow?

At yesterday’s solar eclipse, the moon’s shadow brushed Earth. But what about Earth’s shadow? You can see it any clear evening …

Blogs | Oct 23, 2014

Fake image of India during Diwali versus the real thing

The Hindu festival of Diwali is October 23, 2014. It’s a festival of light! But not so much so that you can see the light of Diwali from space.

October 6, 2014. Image credit: NASA
Science Wire | Oct 22, 2014

View from space: Southwestern U.S. at night

Two cool nighttime photos by astronauts aboard the ISS. Check out the bright city lights.

Image Credit: Graham Racher
Blogs | Oct 21, 2014

Lifeform of the week: Corpse flower

Parasitic flowers of the genus Rafflesia are monstrous in size and diabolical in smell.

1946 tsunami in Hawaii, via USGS
Science Wire | Oct 20, 2014

How often might Hawaii get a monster tsunami?

Scientists say that the tsunami that hit Japan in 2011 was a thousand-year event. A monster wave might strike Hawaii about as often.

Blogs | Oct 20, 2014

New seafloor map reveals thousands of seamounts

A new global map of the ocean, made with satellite data, reveals thousands of previously uncharted seamounts.

Photo credit: Meandering Mammal/Flickr
Blogs | Oct 20, 2014

Hundreds of millions of South Asians at risk from glacier melt

Hundreds of millions of people in countries like India, Pakistan, Nepal and Bangladesh depend on the Hindu Kush Himalayan glaciers for food, energy and water.

5th order enhanced -cp
Science Wire | Oct 20, 2014

First-ever image of 5th order rainbow!

The fabled quinary or 5th order rainbow is made by sunlight reflected five times inside raindrops. Now, for the first time, we have an image of one.

Blogs | FAQs | Oct 17, 2014

Why do trees shed their leaves in the fall?

Something to think about while raking.

The 'north pole' -- that is, the direction of magnetic north -- was reversed a million years ago. This map shows how, starting about 789,000 years ago, the north pole wandered around Antarctica for several thousand years before flipping 786,000 years ago to the orientation we know today, with the pole somewhere in the Arctic. Image courtesy of University of California - Berkeley
Science Wire | Oct 16, 2014

Earth’s last magnetic reversal took less than 100 years

A study demonstrates that Earth’s last magnetic reversal – 786,000 years ago – happened in roughly the span of a human lifetime.

Photo credit: Ben+Sam/Flickr
Science Wire | Oct 15, 2014

San Francisco Bay area overdue for a big quake

Four urban sections of the San Andreas Fault system in Northern California have stored enough energy to produce major earthquakes, according to a new study.

Videos | Oct 15, 2014

This hummingbird video will melt your heart

Hummingbirds playing in a fountain. Toward the end, listen for the little clicks and chirps.

Photo credit: Martin Heigan
Science Wire | Oct 14, 2014

Crocodiles work as a team to hunt their prey

Crocs are able to conduct highly organized game drives. They might be second only to humans in their hunting prowess, says a researcher.

Photo credit: Rghrouse/Flickr
Science Wire | Oct 14, 2014

Massive icebergs once drifted to Florida

New research suggests that during Earth’s last ice age – about 21,000 years ago – icebergs regularly reached South Carolina and even southern Florida.

Image Credit: Steve Garvie
Blogs | Oct 13, 2014

Lifeform of the week: Owls

In fact and in fiction, owls have always turned heads.

Image courtesy Tim Haynes
Science Wire | Oct 10, 2014

Why does the sun look red at sunset?

As the sun sets, it looks redder and redder as it gets closer to the horizon. Sometimes you can see a gradation of color a across the sun’s surface. Why does this happen?

Super Typhoon Vongfong near its peak intensity. Image Credit: VIIRS Infrared Imagery/NOAA
Blogs | Oct 10, 2014

Typhoon Vongfong approaching Okinawa

Typhoon Vongfong will push into Okinawa later today (October 10, 2014) as a Category 2 or 3 storm with winds greater than 100 mph.

Science Wire | Oct 09, 2014

This small hot spot produces largest U.S. methane concentration

Satellite data show that one small “hot spot” in the U.S. Southwest produces the largest concentration of the greenhouse gas methane seen over the United States.

Screen Shot 2014-10-09 at 8.45.04 AM
Science Wire | Oct 09, 2014

Video: How can sea ice be melting at one pole and increasing at the other?

If global warming is real, shouldn’t sea ice be declining at both of Earth’s poles? Here’s an explanation of what’s happening – in under two minutes.

Earthquake Oct. 8, 2014
Science Wire | Oct 09, 2014

6.8-magnitude earthquake in South Pacific

Powerful earthquake in the S. Pacific last night. No Pacific-wide tsunami warning, and only a small tsunami wave at Easter Island. No injuries or damages.

Screen Shot 2014-10-08 at 11.11.30 AM
Science Wire | Oct 08, 2014

Video: Gulf of Mexico jellyfish swarms

Jellyfish swarms in the Gulf of Mexico can be 100 miles (160 km) long. At their thickest, there can be more jellyfish than there is water.