A Nine-Year Hunt for Neutrinos
How do we hunt for elusive neutrinos emitted by distant astrophysical sources? Submerge a huge observatory under ice or water … and then wait patiently.
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Pinning Down Properties of TRAPPIST-1
How correct are the properties we’ve measured for TRAPPIST-1, a nearby star with seven transiting, Earth-sized planets?
Lightweight Double Neutron Star Found
More than forty years after the first discovery of a double neutron star, we still haven’t found many others — but a new survey is working to change that.
Forming Stars Near Our Supermassive Black Hole
Star formation wasn’t thought to be possible in the extremely hostile environment surrounding Sgr A*, the supermassive black hole at the center of our galaxy — but new evidence suggests otherwise.
Update on an Interstellar Asteroid
Here are some of the most recent outcomes in the study of asteroid 1I/’Oumuamua, the first interstellar asteroid we’ve ever detected.
Backyard Telescopes Watch an Expanding Binary
What can you do with a team of people armed with backyard telescopes and a decade of patience? Test how binary star systems evolve under Einstein’s general theory of relativity!
Galaxies Growing Up on the Edge of the Void
How does the absence of galactic neighbors influence galaxy evolution? To answer this question, a new study explores the properties of galaxies in cosmic voids.
Selections from 2017: The Age of a 4-Star System
Astronomers have discovered that an intriguing quadruple star system is younger than was originally thought.
Selections from 2017: Hubble Survey Explores Distant Galaxies
A catalog of sources has been built using the Cosmic Assembly Near-infrared Deep Extragalactic Legacy Survey (CANDELS), a survey carried out by cameras on board the Hubble Space Telescope.
Selections from 2017: Discoveries in Titan’s Atmosphere
Negatively charged molecules in the atmosphere of Saturn’s largest moon may help us understand more about how life eventually formed on Earth.