4 billion-year-old relic from early solar system heading our way

An enormous comet—approximately 80 miles across, more than twice the width of Rhode Island—is heading our way at 22,000 miles per hour from the edge of the solar system. Fortunately, it will never get closer than 1 billion ...

Hubble probes extreme weather on ultra-hot Jupiters

In studying a unique class of ultra-hot exoplanets, NASA Hubble Space Telescope astronomers may be in the mood for dancing to the Calypso party song "Hot, Hot, Hot." That's because these bloated Jupiter-sized worlds are so ...

A closer look at Jupiter's origin story

One of the most important open questions in planetary formation theory is the story of Jupiter's origin. Using sophisticated computer modeling, researchers of the University of Zurich (UZH) and the National Centre of Competence ...

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