Scientists say that the tsunami that hit Japan in 2011 was a thousand-year event. A monster wave might strike Hawaii about as often.
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.
The close pass of Comet Siding Spring to Mars was exciting! Closest approach was October 19. Watch for photos from the event here at EarthSky.org.
Hummingbirds playing in a fountain. Toward the end, listen for the little clicks and chirps.
Tunnels ending in light, your life flashing before you, out-of-body sensations. Near-death experiences merit further study without prejudice, these researchers say.
The MESSENGER spacecraft, now orbiting Mercury, caught the images to make this movie of last Wednesday’s lunar eclipse. See Earth and moon from Mercury!
Typhoon Vongfong will push into Okinawa later today (October 10, 2014) as a Category 2 or 3 storm with winds greater than 100 mph.
Watch a fun new video from the asapSCIENCE guys.
A lunar tetrad – four total lunar eclipses in a row – began on the night of April 14-15. The next one will be on the night of October 7-8.
Slooh.com invites stargazers worldwide for an online viewing of the total eclipse of the moon on October 8. Deborah Byrd will be on hand as a special guest.
Between the 1920s and 1950s, a perfect storm of population growth, sex and railway links let HIV to spread from Kinshasa in Africa, across the globe.
The Worldwatch Institute quantifies the steady decline of nuclear energy’s share of global power production, and renewable energy’s increased share.
New imaging technology provides unprecedented 3-D views of an intact brain’s neural structure and its vast internal connections.
Experts used “scenarios” to suggest global human population will stabilize around 9 billion by about 2050. A new statistical analysis tells a different story.
Arctic sea ice continued its long-term decline in 2014. Meanwhile, sea ice on the other side of the planet was headed in the opposite direction. Why?
Mass and energy are interchangeable.
Northwestern Florida was thought to get hit by a hurricane with a five-meter (16-foot) storm surge every 400 years. In fact, the frequency may be every 40 years.
Astronomical imagery often figured in the poetry of Pablo Neruda. Today, with the help of Michael West of Maria Mitchell Observatory, we honor that connection.
The Chinese were great students of nature. Autumn is connected in Chinese thought with the direction west, considered to be the direction of dreams and visions.
June through August 2014 is the warmest period recorded since record keeping began in 1880, NOAA says. Also, the warmest August since 1880.
Lethal aggression is something that chimpanzees naturally do, the study says, regardless of whether human impacts are high or low