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Archaeologists find huge, 2,500-year-old Egyptian astronomy observatory
By Elizabeth Howell published
An Egyptian dig uncovered a massive building that shows considerable evidence of astronomy observations, including a sundial and features meant to track the sun and stars.

Satellite watches as hazardous wildfire particles drift into the air
By Sharmila Kuthunur published
The recently launched satellite has been watching the spread of aerosols from wildfire smoke, creating a catalog that scientists say would eventually benefit weather forecasting.

We finally know why Astrobotic's private Peregrine moon lander failed
By Monisha Ravisetti last updated
Astrobotic says the Peregrine lunar lander, aka the first private moon mission, failed because of a faulty valve.

Scientists find surprising clue about Venus' past in its atmosphere
By Victoria Corless published
Scientists found an unexpected ratio of hydrogen to deuterium in Venus' atmosphere, offering clues about the world's past.

NASA's DART asteroid crash really messed up its space rock target
By Victoria Corless published
DART appears to have derailed its asteroid target from its normal evolution progress. The impact also made a crater.

Solar system planets, order and formation: The ultimate guide
By Daisy Dobrijevic last updated
Reference Explore the eight (or nine) planets of the solar system in order from nearest to the sun and discover the many wonders of our solar system along the way.

Ancient grains of dust from space can be found on Earth − and provide clues about the life cycle of stars
By Sachiko Amari published
Specks of dust known as presolar grains predate our solar system and contain information about stars that died long before our cosmic neighborhood formed.

'Fireflies' help NASA map radiation around Jupiter and its moons
By Victoria Corless published
The first ever 3D radiation map of Jupiter and its moons has been created using low-light cameras aboard the Juno Spacecraft that have been tweaked to operate as radiation detectors.
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