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Bizarre 'failed star' the size of Jupiter is 2,000 degrees hotter than the sun
By Joanna Thompson published
This Jupiter-size object is 80 times denser than a planet and hotter than the sun.
Bizarre polygons on Mars' surface hint that alien life on Red Planet was possible
By Harry Baker published
A patchwork of polygon-shaped cracks in ancient Martian mud are evidence of past wet-dry cycles, which could have helped extraterrestrial life emerge on the Red Planet.
100-year-long 'megastorms' on Saturn are creating radio signals that scientists can't fully explain
By Brandon Specktor published
Gargantuan storms on Saturn can wrap around the entire planet and be seen for months. New research suggests their impacts persist hundreds of years longer than experts thought.
Why Venus is now a slim crescent and will disappear from the evening sky this weekend
By Jamie Carter published
The second planet from the sun is approaching 'inferior conjunction' as it swaps from being the 'Evening Star' to the 'Morning Star,' passing between Earth and the sun in the meantime.
Mars is spinning faster, and scientists aren't sure why
By Joanna Thompson published
Data from NASA's InSight mission shows that Mars's rotation is speeding up and its days are growing slightly shorter. Scientists have a few ideas why.
Mars rover is spying on the sun's far side to hunt for hidden, dangerous sunspots
By Harry Baker published
NASA's Perseverance rover is perfectly positioned to snap pictures of massive sunspots that could spit out powerful solar storms before they become visible from Earth.
A new, Jupiter-size planet is on the verge of being born, and astronomers have incredible images of it
By Brandon Specktor published
A gorgeous new image of a star system 5,000 light-years from Earth could finally explain how Jupiter-size planets are born from chaotic fields of gas.
1st known 'Trojan' planets discovered locked in the exact same orbit around a star
By Ben Turner published
A distant Jupiter-size planet could have the shattered remains of a smaller sibling in its tow.
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