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NASA discovers the 'puffiest' two planets in our universe

A pair of giant planets circling a star more than 1,100 light-years from Earth looks almost too bloated to be real. Each ...

Astronomers find 2 gigantic planets lighter than cotton candy: "Comparable to a nice blob of shaving foam"

The featherweight pair — orbiting a star 1,110 light-years away — are the biggest exoplanets found to have less density than ...

Will NASA’s SkyFall Mars helicopter fleet sink science at the Red Planet?

NASA wants to send an ambitious fleet of helicopters to soar through Martian skies—but scientists fear the endeavor could ...

Two ‘super-puff’ planets are as wispy as cotton candy

A pair of sibling gas giants originally spotted by citizen scientists are so lightweight that their density resembles wispy ...
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NASA is searching for Earth 2.0, here's how.

NASA is Searching for Earth 2.0, Here's How.

NASA rover detects potential signs of ancient life on Mars

NASA's Perseverance rover uncovers signs of ancient organic matter on Mars, hinting at potential past life in Jezero Crater.

NASA’s $4.3 billion planet-hunting Nancy Grace Roman Space telescope arrives in Florida

NASA’s Nancy Grace Roman Space Telescope, a $4.3 billion dollar observatory that will hunt for planets and dark energy, ...
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A ‘planetary parade' is expected Saturday night, but will it be visible in Chicago?

Six planets are coming together in the sky in what's known as a planetary parade, and you might be able to spot them on Saturday night. Mercury, Venus, Jupiter and Saturn will be visible to the ...