A small team of astronomers affiliated with several institutions in Japan, working with a pair of colleagues in the U.S., has solved the mystery of the unusually smooth aurora that appeared in the Arctic sky in December of ...
Watching meteoroids enter the Earth's atmosphere and streak across the sky as the visual spectacle known as meteors, it is one of the most awe-inspiring spectacles on Earth, often exhibiting multiple colors as they blaze ...
Planetary Sciences
Jun 24, 2024
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40
Two large asteroids will safely pass Earth this week, a rare occurrence perfectly timed to commemorate this year's Asteroid Day.
Planetary Sciences
Jun 24, 2024
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68
Astronomers have discovered three potential "super-Earth" exoplanets orbiting a relatively nearby orange dwarf star. This groundbreaking find was made by an international team of researchers led by Dr. Shweta Dalal from the ...
Planetary Sciences
Jun 24, 2024
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84
When a solar flare leaps out from around the sun, a small fleet of scientific instruments designed and built at the University of Colorado Boulder form a first line of defense—spotting these massive eruptions before any ...
Astronomy
Jun 21, 2024
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33
Atmospheric scientists get a little more excited with every rock core NASA's Perseverance Mars rover seals in its titanium sample tubes, which are being gathered for eventual delivery to Earth as part of the Mars Sample Return ...
Planetary Sciences
Jun 20, 2024
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12
Rusty in appearance and magnificent in detail, a new image of the Mawrth Vallis region on Mars reveals a world rich in iron, magnesium and aluminum.
Planetary Sciences
Jun 20, 2024
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45
Four and a half billion years ago, our solar system was a cloud of gas and dust swirling around the sun, until gas began to condense and accrete along with dust to form asteroids and planets. What did this cosmic nursery, ...
Planetary Sciences
Jun 20, 2024
0
111
The official start of summer is around the corner. Parts of the West have already experienced triple-digit heat and wildfires.
Planetary Sciences
Jun 20, 2024
0
2
Titan, Saturn's largest moon, is the only other planetary body in the solar system that currently hosts active rivers, lakes, and seas. These otherworldly river systems are thought to be filled with liquid methane and ethane ...
Planetary Sciences
Jun 19, 2024
0
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