Dwarf Galaxies Around Andromeda Are Revealing a Complex Story of Cosmic Death
A new study of M31, also known as Andromeda, explains how our cosmic neighbor kills off smaller nearby galaxies.
Gaia
“A New Window into the Hidden Architecture of Our Galaxy”: Astronomers Discover Lost Stars Concealed Among the ‘Seven Sisters’ of the Pleiades
The “Seven Sisters” of the Pleiades are among the most visible stars from Earth, but new research says the cluster is larger than suspected.
ESA’s Gaia Mission Unveils a Stellar Mystery, and Astronomers “Haven’t Found Anything Quite Like It Before”
The Gaia star surveyor has identified strange behavior in a group of stars rushing to escape their birthplace, unlike any others observed.
Inside America’s UFO Cults: A Look at Manipulation and Misinformation in the UFO Counterculture
In his new documentary "Dark Alliance," filmmaker Darcy Weir presents a case study in the dangers of manipulation and the spread of misinformation in the UFO community.
The Milky Way’s Largest Black Hole is “Lurking” Surprisingly Close to Earth
The largest Black Hole ever discovered in the Milky Way, with a mass of 33 solar masses, is "lurking" surprisingly close to Earth.
Astronomers Reveal the Largest Ever Three-Dimensional Map of the Known Universe
Data collected from quasars fueled by supermassive black holes helps create the first-ever three-dimensional map of the known universe.
New Data from the Gaia Space Telescope is Helping Reveal the Secret Lives of Asteroids
The latest batch of data released from the Gaia Space Telescope is shedding new light on asteroid formation and distant galaxies.