Related topics: solar system · comet

Laboratory's solar system legacy

When the first humans stepped onto the moon a half-century ago on July 20, 1969, they knew they were venturing into the unknown. Some had feared their lander would be swallowed up by bottomless layers of dust as almost nothing ...

Stolen comets and free-floating objects

Our solar system may contain alien comets that were stolen from another star flying past 4.5 billion years ago. Far away in a distant cluster of young stars, a similar close encounter might have also sent the inter-stellar ...

Tiny fragment of a comet found inside a meteorite

A tiny piece of the building blocks from which comets formed has been discovered inside a primitive meteorite. The discovery by a Carnegie Institution of Science-led team, including a researcher now at Arizona State University, ...

SwRI to conduct largest-ever Hubble survey of the Kuiper Belt

NASA's Space Telescope Science Institute (STScI) recently awarded Southwest Research Institute the largest Hubble Space Telescope (HST) solar system program ever, with 206 of Hubble's orbits around the Earth allocated to ...

New Horizons team unravels the many mysteries of Ultima Thule

The farthest object ever explored is slowly revealing its secrets, as scientists piece together the puzzles of Ultima Thule – the Kuiper Belt object NASA's New Horizons spacecraft flew past on New Year's Day, four billion ...

More support for Planet Nine

Corresponding with the three-year anniversary of their announcement hypothesizing the existence of a ninth planet in the solar system, Caltech's Mike Brown and Konstantin Batygin are publishing a pair of papers analyzing ...

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