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8 planets in 1 night, from Rome
"I have been thinking for decades about imaging 8 planets of our solar system in 1 night, from sunset to dawn. I imaged all of them from Rome, above the amazing monuments of the Eternal City."
September 2, 2018
Catch Venus, Jupiter, Arcturus at dusk
Look west at dusk throughout September, 2018, for a bright celestial threesome. In order of brightness, they are Venus, Jupiter and the star Arcturus.
September 2, 2018
Moonlight over Black Waterfall, Iceland
Svartifoss - the Black Waterfall - on Iceland's south coast is a popular destination for hikers and tourists. It drops from a crescent-shaped cliff made of black basalt columns.
September 1, 2018
Moon moves through Taurus the Bull
Let the moon be your guide to the constellation Taurus the Bull in early September, 2018. Then use Orion's Belt to locate Taurus when the moon moves away.
September 1, 2018
Beluga whales and narwhals go through menopause
Besides humans, only 4 species are known to experience menopause, and they're all whales – belugas, narwhals, killer whales and short-finned pilot whales.
August 31, 2018
Saturn and its rings
Beautiful capture of Saturn and its major rings - and even the gap between the rings, known as Cassini's Division - from Tom Wildoner.
August 31, 2018
New Horizons has Ultima Thule in view
The legendary craft that flew past Pluto in 2015 is still heading outward. New Horizons will sweep past its next target, nicknamed Ultima Thule, on New Year's Day, 2019.
August 30, 2018
Hello, universe
A composite image of star trails with our Milky Way galaxy, and more, by Karthik Easvur.
August 30, 2018
How Gaia could help find Dyson spheres
Dyson spheres are hypothetical megastructures built by extraterrestrials for the purpose of harvesting all of a star's energy. Here's how the European Space Agency's Gaia mission might help find one.
August 30, 2018
Could ETs use star mergers to communicate?
When 2 extremely dense neutron stars orbit each other closely, they spiral inward over time and eventually merge. Such mergers are powerful. Could advanced civilizations be using them to signal across the cosmos?
August 29, 2018
