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Image via Wikipedia
FAQs | Sep 21, 2014

Why aren’t day and night equal on the day of the equinox?

On the day of the equinox, the center of the sun would set about 12 hours after rising – given a level horizon, as at sea, and no atmospheric refraction.

June - August 2014 via NOAA
Blogs | Sep 19, 2014

June through August 2014 hottest ever recorded globally

June through August 2014 is the warmest period recorded since record keeping began in 1880, NOAA says. Also, the warmest August since 1880.

The Ngogo males have just killed a male from a neighboring group. After the male is dead, one of the Ngogo males leaps on the body of the dead animal. Image courtesy of John Mitan
Science Wire | Sep 19, 2014

Chimpanzee wars not due to human influence, says study

Lethal aggression is something that chimpanzees naturally do, the study says, regardless of whether human impacts are high or low

spacecraft voyager 1
This Date in Science | Sep 18, 2014

A first glimpse of Earth and moon as worlds in space

As Voyager 1 left Earth on September 18, 1977, it looked back and acquired a stunning image.

kilauea-lava-flow-usgs-300
Blogs | Sep 18, 2014

Kilauea volcano lava continues to advance

Lava flow on the northeast side of Kilauea – Hawaii’s most active volcano – is setting trees and shrubs in its path on fire, but the fires are not spreading officials say.

Image via Flickr user Kelly DeLay
Science Wire | Sep 17, 2014

Tornado Alley storm season starting and ending earlier

Peak tornado activity typically occurs in the region from early May to early July. It has moved an average of seven days earlier over the past six decades.

cropped-co2-emissions-map
Science Wire | Sep 17, 2014

New map of 15 years of CO2 emissions

An international research team has developed a new system to quantify 15 years of CO2 emissions, every hour, for the entire planet, down to the city scale.

Photo credit: Mahatma4711
Blogs | Sep 16, 2014

A push for climbing reform after Sherpa deaths on Everest

In the wake of the deaths of 16 Nepalese guides on Mount Everest in April 2014, many groups push for reform of climbing expedition practices.

NASA Earth Observatory images created by Jesse Allen, using digital photographs provided by Kelly Brunt, MABEL campaign.
Science Wire | Sep 16, 2014

Earthquake-induced landslide at Seward Glacier

NASA scientists were in the right place at the right time this summer to capture photos of a fresh landslide, caused by an Alaska earthquake.

Airport in Cabo San Lucas, via @MexicanadeModa
Blogs | Sep 16, 2014

Major Hurricane Odile slams Baja Peninsula in Mexico

Major Hurricane Odile struck the Baja Peninsula and left extensive damage and flooding across the area. Photos of the damage and firsthand reports, here.