planetary

SCIENCE

James Webb Space Telescope discovers an alien planetary system’s icy edge

At long last, particles of water–ice have been discovered in the frozen Kuiper Belt of another star. The discovery, made…

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SCIENCE

Faint Neptune joins Venus and Saturn to form a planetary triangle in the pre-dawn sky on April 28

The predawn hours of April 28 will see a planetary triangle form in the night sky, as Venus makes a…

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SCIENCE

How Planetary Defenders Planned to Stop That City-Killer Asteroid

In mid-February 2025 astronomers announced that 2024 YR4—a recently discovered asteroid big enough to severely damage or even destroy a…

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SCIENCE

When’s the next ‘parade of planets’? The past, present and future of planetary alignments

The recent and much-ballyhooed “planetary parade” was an interesting celestial event that likely spurred even infrequent skywatchers to seek out…

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SCIENCE

Planetary alignment: How to see every planet in the solar system at once this week

An artist’s impression of the solar system Shutterstock/Vadim Sadovski All of our solar system’s planets are lining up in the…

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SCIENCE

‘Planet parade’ 2025: See the ultra-rare planetary alignment peak this week, before Saturn gets swallowed by the sunset

Seven planets in the solar system — Mercury, Venus, Mars, Jupiter, Saturn, Uranus and Neptune — will line up in…

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WORLD

UN environment agency calls for urgent action on ‘triple planetary crisis’ — Global Issues

“Last year brought both successes and disappointments in global efforts to tackle the triple planetary crisis,” saidUNEP Executive Director Inger…

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SCIENCE

JWST Spies a Giant Space Hamburger—and Maybe Planetary Origins, Too

I remember once going to a restaurant and, being pretty hungry, ordering the biggest burger on their menu. I grossly…

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SCIENCE

Astronomers may have just spotted the fastest planetary system ever seen

Scientists may have spotted a tiny star, possibly with an alien world in tow, shooting through the Milky Way around…

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SCIENCE

Venus and the moon dance over the Eiffel Tower in stunning ‘planetary parade’ photo from Paris

A striking new photo captures a colorful conjunction of Venus and the moon stealing the show in the night sky…

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