This is the provocative question at the heart of an emerging astronomical debate, wherein the discovery of rogue planets-worlds free-floating in the galaxy-appears to challenge definitions of ...

Get excited about Uranus (and so much more). When you purchase through links on our site, we may earn an affiliate commission. Here’s how it works. The solar system is overflowing with fascinating ...

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Uniquely combining astrophysics and planetary science, the Department of Astrophysical and Planetary Sciences provides students with a unified view of space sciences; the solar system and comparative ...

Xi Zhang, a professor of Earth and planetary science at UC Santa Cruz, has discovered that an exoplanet classed as a ...

Earth as we know it offers majestic trees, meandering streams, and rolling hills. Yet below the Earth's surface, forces and elements like intense pressure and scalding magma simmer and stew—and make ...

The BA in astrophysical and planetary sciences provides students with a unified view of solar and space sciences, planetary systems (our solar system and others), stellar and galactic astronomy, and ...

The National Academies of Sciences, Engineering, and Medicine are private, nonprofit institutions that provide expert advice on some of the most pressing challenges facing the nation and world. Our ...

The scientific community is currently in a state of suspense as the highly anticipated data about the interstellar object ...

Throughout any given year, the National Academies convene hundreds of conferences, workshops, symposia, forums, roundtables, and other gatherings that attract the finest minds in academia and the ...

The Planetary Science Caucus is back from the dead, and the revival of the group couldn’t come at a more critical time for scientific pursuits in the cosmos that often find themselves in the budgetary ...

This poll is now closed. Results to come soon, stay tuned! In our September 2025 issue, astronomer and Pluto mission leader S. Alan Stern explores how the field of planetary science has transformed ...