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Astronomers couldn’t find enough satellite galaxies orbiting the Milky Way. Now they have the opposite problem.
Two independent papers vanquish lingering doubts about LIGO’s historic discovery of gravitational waves.
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.
Mario Jurić is leading the push to get astronomy ready for the torrents of data that are about to flow.
The mystery of ’Oumuamua, the first interstellar object ever observed, continues to deepen.
The new finding is challenging established theories of how planets come to be.
If and when physicists are able to pin down the metal content of the sun, that number could upend much of what we thought we knew about the evolution and life span of stars.
Astronomers suspect that there’s a large planet hiding out in the distant fringes of the solar system. At a recent workshop, they brainstormed ways to coax it into view.
Astronomers have found stars dating from a long-ago collision between the Milky Way and another galaxy. The crash helps to explain why the Milky Way looks the way it does.