A surprisingly simple explanation for 'Oumuamua's weird orbit

In 2017, a mysterious comet dubbed 'Oumuamua fired the imaginations of scientists and the public alike. It was the first known visitor from outside our solar system, it had no bright coma or dust tail, like most comets, and ...

SoloHi catches stunning views of 'Christmas comet' Leonard fly by

Scientists at the U.S. Naval Research Laboratory evaluate early data the ESA/NASA Solar Orbiter spacecraft sent back to Earth as it observes comet Leonard, a mass of space dust, rock and ice just over half a mile across (1 ...

Is new finding an asteroid or a comet? It's both

The newest known example of a rare type of object in the Solar System—a comet hidden among the main-belt asteroids—has been found and studied, according to a new paper by Planetary Science Institute Senior Scientist Henry ...

Researchers discover solid phosphorus from a comet

An international study led from the University of Turku, Finland, discovered phosphorus and fluorine in solid dust particles collected from a comet. The finding indicates that all the most important elements necessary for ...

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