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Moon near Jupiter, plus a Venus milestone
The bright object near the August 17 moon is Jupiter. Meanwhile, nearby Venus swings to its greatest apparent distance from the sun on our sky's dome.
August 17, 2018
Carbon monoxide from California wildfires drifts east
What happens in California doesn't stay in California. This animation, made from satellite data, shows carbon monoxide from the state's massive wildfires drifting eastward all the way across the U.S.
August 16, 2018
Bam! Meteorite bombardment created Earth’s oldest rocks
A new computer modeling study shows that - some 4 billion years ago - a barrage of incoming debris from space likely formed what we know today as Earth’s oldest rocks.
August 15, 2018
What’s causing Florida’s algae crisis? 5 questions answered
Red tides and a blue-green algae outbreak are fouling hundreds of miles of coast, killing fish and driving tourists from beaches. Some causes are natural, but human actions also play a role.
August 15, 2018
See it! Moon sweeps past Venus
Have you been watching Venus and the young moon? Enjoy these photos from the EarthSky community around the world. Thank you to all who shared images!
August 15, 2018
Astronomers find weird rogue world with wild auroras
This free-floating rogue planet - untethered to any star - has a magnetic field millions of times more powerful than Earth's and auroras much more brilliant than our world's northern lights.
August 14, 2018
Favorite Perseid meteor shower photos
2018 was an exceptional year for August's tried and true Perseid meteor shower.
August 14, 2018
Wow! Zoom to the Milky Way’s center
Decades of work have gone into probing the heart of our Milky Way galaxy. Click in for a video showing stars orbiting the 4-million-solar-mass black hole at our galaxy's core.
August 14, 2018
Moon, Venus, Jupiter August 14 to 16
Bright planets and an orbiting moon! Enjoy them on these August evenings.
August 14, 2018
Was the outer solar system shaped by a stellar fly-by?
Computer modeling suggests that - billions of years ago, when our solar system was young - a star swept near, stealing some of our sun's material and creating the odd orbits of Kuiper Belt objects.
August 13, 2018
