Most luminous, energetic pair of stars found outside Milky Way

The dual-star system produces a cyclic flood of gamma rays, the highest-energy form of light

Jupiter gets hit by 6.5 fireballs per year on average, report amateur astronomers

The space rocks create impacts large enough to be visible from Earth, according to new data

See a 14-mile high volcano

Witness this monster of a Martian supervolcano – the tallest peak in the Solar System

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