Planet
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Satellites and space junk may make dark night skies brighter, hindering astronomy and hiding stars from our view
Since time immemorial, humans around the world have gazed up in wonder at the night sky.
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We Asked a NASA Scientist: Where Did Our Moon Come From?
Where did our Moon come from?
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Don’t Miss Skywatching: Dwarf Planet Ceres at Its Brightest
What are some skywatching highlights in March 2023? Following their close approach in the sky on March 1, Venus and Jupiter go their separate ways. Venus climbs higher each evening, while Jupiter exists in the morning sky at month’s end.
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Mysterious Object Is Being Dragged Into the Milky Way’s Supermassive Black Hole
UCLA astronomers think the object, X7, might be debris cloud from a stellar collision.
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Scientists find evidence of a new layer at the Earth’s inner core
Researchers are still discovering more about the Earth’s center. A team at Australian National University (ANU) has found evidence of a new layer to the planet sitting within the inner core. This “innermost inner core” is an iron-nickel alloy ball that, as professor Hrvoje Tkalčić explains, is a “fossilized record” of Earth’s ancient history.
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‘Runaway’ black hole the size of 20 million suns found speeding through space with a trail of newborn stars behind it
Astronomers have discovered a “runaway” black hole, potentially the first observational evidence that supermassive black holes can be ejected from their host galaxies.
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James Webb telescope captures a Milky Way-like galaxy a billion light-years away
The image reveals a grandiose spiral star system akin to our own.
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Climate: Could moon dust keep Earth cool?
A new study in the peer-reviewed journal PLOS Climate explores the possibility of using moon dust as a solar shield.
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Exploring The Turbulent Tarantula Nebula
A snapshot of the Tarantula Nebula (also known as 30 Doradus) is the most recent Picture of the Week from the NASA/ESA Hubble Space Telescope.
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‘Goldilocks’ revelation shortens the odds of finding alien life
Planets capable of hosting life are said to inhabit the “Goldilocks Zone” – based on the fairytale heroine’s requirement that her pilfered porridge should be neither too hot, nor too cold.
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