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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
Easter Island monument mystery solved?
Researchers have long wondered why ancient people built the famous Easter Island monuments where they did.
January 20, 2019
Rotating black holes as portals for hyperspace travel
One of the most cherished science fiction scenarios is using a black hole as a portal to another dimension or time or universe. Is it possible? Maybe. But choose carefully. All black holes are not created equal.
January 15, 2019
The shrinking Aral Sea
The Aral Sea was once the world's 4th-largest lake. But in the 1960s, the Soviet Union diverted 2 major rivers to irrigate farmland, and the Aral Sea has been slowly disappearing ever since.
January 13, 2019
