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Martian beavers, intentional explosions, and other weird facts from 150 years of PopSci
These weird marine critters paved the way for the ‘Cambrian explosion’ of species
Featured in comets
The biggest comet ever found is cruising through our solar system’s far reaches
Though it's headed in our direction, the Bernardinelli-Bernstein comet will completely miss Earth.
Do look up at this asteroid as it whizzes safely past Earth tonight
Don't worry, it's not going to be like the recent movie.
Scientists finally solve the mystery of why comets glow green
Chemists put a 90-year-old explanation of comet glow to the test—and confirmed it was mostly correct.
Watch space rocks become fireworks during tonight’s Geminid meteor shower
This meteor shower produces up to 120 shooting stars an hour at its peak.
Here’s how to see Leonard’s Comet, the brightest comet all year
Don’t miss this rock before it gets tossed out of the solar system.
A new ’Oumuamua theory could mean many more interstellar visitors are headed our way
‘Oumuamua sure looked like an oddball, but similar planetary tatters could be floating everywhere.
Our newest alien comet may have been born out of a dying star’s vomit
Borisov may represent an entirely new type of celestial body.
Scientists are scrambling to take more photos of this seemingly alien comet
The object is the second we've observed that has origins in another solar system.
Comets could all come from the same place
Data from distant solar systems is helping researchers reconstruct the birth of our own.
That giant cigar that zipped through our solar system definitely wasn’t a spaceship
Scientists have more thoughts on ‘Oumuamua.
