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Space
Oceans on Venus never existed, new study suggests
Researchers at the University of Cambridge say that it's likely there were never any oceans on Venus. The planet might have always been as hot as it is now.
December 3, 2024
Tonight
Visible planets and night sky guide for December
Visible planets and night sky guide. Tonight and tomorrow night, about an hour after sunset, watch for the moon close to bright Venus.
Space
Spaceflight
Sun
Proba-3: A sun-observing telescope made from 2 satellites
ESA is launching an ambitious spacecraft to study the sun's atmosphere. Proba-3 comprises 2 satellites that will align to form an artificial solar eclipse.
December 3, 2024
Earth
Sun
Sun news December 3: Two new coronal holes
Sun news for December 3, 2024: Flaring is low, but two new coronal holes could soon bring some action to Earth.
December 3, 2024
Earth
Carnivorous wolves feed on nectar: Lifeform of the week
Carnivorous wolves feeding on the nectar of flowers!? Yes! Scientists have seen and documented it for the first time. Read more about wolves here.
December 2, 2024
Space
Spaceflight
NASA testing underwater robots to explore ocean worlds
NASA is testing prototypes for autonomous underwater robots that could one day explore our solar system's subsurface oceans.
December 1, 2024
Astronomy Essentials
Earth flies between Jupiter and the sun on December 7
Giant Jupiter is closest to Earth for 2024 on December 6. Then Earth will fly between the sun and Jupiter - bringing Jupiter to opposition - on December 7.
December 1, 2024
Space
Do magnetic tornadoes drive dark ovals on Jupiter?
Scientists have analyzed dark ovals that appear near the poles on Jupiter. They believe magnetic tornadoes higher in the atmosphere could stir up the haze.
December 1, 2024
Astronomy Essentials
2024 Geminid meteor shower: All you need to know
The 2024 Geminid meteor shower peaks overnight December 13-14 in a moonlit sky. You may see up to 120 meteors per hour under a dark sky.
December 1, 2024
Human World
December birthstone: turquoise, zircon or tanzanite
The December birthstone is 1 of 3 gemstones, the exquisite blue-green turquoise, dazzling zircon, or the magnificent blue-violet tanzanite. Your choice!
December 1, 2024
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