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Just for fun: Tour alien worlds
Some fun multimedia from NASA, including (free) Exoplanet Travel Bureau posters, cool 360-degree visualizations, and a journey into the life and death of planetary system.
February 11, 2019
Stargazing destinations: Yellowknife
This 3rd episode of an ongoing stargazing video series - called Chasing Darkness - is from Yellowknife, Canada. It features the magnificent northern lights.
February 10, 2019
Weird winter water: Steaming lakes, thundersnow, slurpee waves
An atmospheric scientist explains why water can do some strange-looking things at very cold temperatures, and what's different about snowfalls on Mars.
February 6, 2019
A plan to create artificial meteors
Everyone loves a good meteor shower, but what about an artificial one? A Japanese company plans to create one and has just launched hundreds of pellets to space. They'll ultimately rain down again in colorful displays.
February 5, 2019
Listen: Is our universe a hologram?
A scientist explains one of the most mind-blowing ideas in physics in under 5 minutes.
February 3, 2019
Stargazing destinations: Oregon
Here's the 2nd video in the Chasing Darkness series, a stargazing destination guide. This episode: Skies over Oregon's Cascade Mountains and Alvord Desert.
January 31, 2019
Polar vortex 2019 photos and videos
Here's a glimpse of what the bone-chilling conditions in the U.S. Midwest this week look like.
January 31, 2019
How polar vortex blasts are tied to global warming
How could global warming be bringing the life-threatening cold to the central US this week? Scientists don't have all the answers, but, they say, the jet stream is the link.
January 30, 2019
A few favorite snowflake photos
We asked last week at EarthSky Community Photos for your snowflake images, then sat back and were dazzled by the beautiful and amazing photos you posted!
January 28, 2019
Stargazing destinations: Alberta
Skywatchers! Check out this first video in the Chasing Darkness series, a stargazing destination guide. This episode - dark sky preserves in Alberta, Canada.
January 22, 2019
