SUNSET: 
Exoplanet Hunter Sees a Black Hole-Shredded Star
NASA's TESS exoplanet-hunting satellite has provided astronomers with a front-row seat as a black hole shreds a close-venturing star.
When Will This Trickster Volcano Erupt?
Loki, a faraway volcanic feature on Jupiter’s moon Io, is acting up and planetary scientists want to know why.
Milestone: Astronomers Discover Water Vapor on a Super-Earth
Two independent teams of astronomers have discovered the signature of water vapor in the atmosphere of super-Earth K2-18b.
Untangling Stellar Strings in the Milky Way
Long-lived, string-shaped groups of stars align with the Milky Way’s spiral arms — and they may provide clues to what those arms looked like long ago.
The Supernova That Destroyed Its Star
Astronomers have discovered a real and unprecedented example of a type of supernova that was until now largely theoretical — a stellar explosion that leaves nothing behind.
Century of Amateur Observations Shed Light on Star's Evolution
The amateurs of the AAVSO monitored the star T Ursae Minoris for a century. Now, astronomers think they can explain the star's recent change in behavior.
Beta Pic's New Planet, Jupiter’s Fuzzy Core & An Ancient Star
Astronomers announce another planet around Beta Pictoris, simulations explain Jupiter's large and fuzzy core, and observations reveal an ancient star.
"Invisible" Galaxies Found in the Young Universe
Astronomers have discovered galaxies that have escaped detection until now, uncovering a missing link in galaxy evolution.
Maunakea Observatories Shuttered Amid Protests (Update: Observatories Have Reopened)
As protests against the construction of the Thirty Meter Telescope continue, the directors of Maunakea Observatories have taken the unprecedented move of closing all observatories atop the mountain.
German-Russian Astronomy Satellite Launches
Spektrum-Röntgen-Gamma, a long-delayed and much-modified X-ray astronomy package, launched successfully from the Kazakh Steppe on Saturday.
Thirty Meter Telescope Set to Begin Construction
Hawaiian Governor David Ige and the Thirty Meter Telescope International Observatory have announced that construction of the Thirty Meter Telescope will begin the week of July 15th.
Sky-surveying Telescopes Sweep Up Near-Earth Asteroids
Discoveries include a near-Earth asteroid with the shortest “year” and another found hours before it burned up in Earth’s atmosphere.
The Astronomers' Eclipse: July 2nd Eclipse Will Pass Over Professional Observatories
Some of the world's largest telescopes will be watching as the Moon blocks the Sun's disk and reveals its corona on July 2, 2019.
We’re Going to Titan! Dragonfly Drone Will Explore Saturn’s Biggest Moon
NASA has selected its next New Frontiers mission: Dragonfly, a rover-sized drone will begin ‘coptering around Titan in 2034.
Astronomers Pinpoint New Fast Radio Burst
A next-gen Australian radio array has enabled astronomers to home in on the source of a mysterious fast radio burst — and the source is not what they expected.
Curiosity Detects Big Whiff of Methane on Mars
The Curiosity rover on Mars detected the highest level of methane yet, but a follow-on experiment saw those levels recede within a week. Scientists are working to understand the significance of the result.
Exploring the Solar System: Mission Updates
Space agencies have selected two solar missions and a “comet interceptor” for development and launch.
Did a Dwarf Galaxy Crash into the Milky Way?
A recent study suggests the dwarf galaxy Antlia 2 had a long-ago run-in with our galaxy, rippling and warping its disk. But not everyone agrees with that scenario.
7 Incredible Discoveries from Two Decades of X-rays
On the eve of the 20th anniversaries for both the Chandra and XMM-Newton X-ray observatories, we celebrate with a look back at seven of their most incredible discoveries.
Astronomers Directly Detect Newborn Planets
Infant planets are coming together in a system 370 light-years away, and they’re shedding light on the early lives of Saturn and Jupiter in our solar system.
