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After an interstellar asteroid shot past the sun, scientists realized that there’s probably a lot of itinerant rocks out there.
Astronomers have discovered a complex planetary system still swirling into existence.
Astronomers are puzzling over a paucity of planets in the galaxy measuring between 1.5 and two times Earth’s size.
A new experiment confirms the existence of “superionic ice,” a bizarre form of water that might comprise the bulk of giant icy planets throughout the universe.
Astronomers will soon take their first glance at the atmosphere of a distant exoplanet. Sarah Hörst is writing the guidebook for these exoplanetary explorers, one that will reveal what a distinctive atmosphere says about the world underneath.
Planetary geologist Meenakshi Wadhwa uses Martian meteorites to trace the history of our solar system.
The astrochemist and winner of the 2018 Kavli Prize in Astrophysics has wondered about the cosmic origin of water while enjoying Noordwijk beach near her hometown of Leiden.
The mystery of ’Oumuamua, the first interstellar object ever observed, continues to deepen.