SUNSET: 
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.
Jupiter Is Outstanding at Opposition
Prime-time Jupiter viewing kicks off this month when the planet reaches opposition on June 10th.
NICER Maps the X-ray Sky
NASA's NICER instrument aboard the International Space Station is giving us a unique view of much of the X-ray sky.
Does Starlink Pose a Space Debris Threat? An Expert Answers
SpaceX's Starlink satellites have come under heavy criticism for their potential to clutter the sky. Here's what a space debris expert has to say about it.
Astronomy and D-Day: The Sun, Moon, and Tides at Normandy
The invasion of occupied France on June 6, 1944, changed the course of the Second World War. Astronomy played a crucial role in the timing of the event.
June 2019: Peekaboo Planets
This month's Sky Tour podcast starts with a solstice update and a rundown of lunar phases, then helps you find four planets in the evening sky along with the best stars and constellations of early summer.
Amateur Filmmaker Captured Solar Eclipse — in 1900
In 1900, a man named John Nevil Maskelyne filmed a solar eclipse — the first of its kind.
Found: Exoplanet in the "Hot Neptune Desert" & Exocomets Around Beta Pictoris
Two teams of astronomers have announced the discovery of a Neptune-size planet in an unexpected orbit and three exocomets whizzing around nearby star Beta Pictoris.
SpaceX Launches First Volley of Starlink Satellites
The 60 Starlink satellites parading across the sky make an incredible sight, but some skywatchers wonder at what cost to the night.
Could a Long-Ago Collision Explain Our Two-Faced Moon?
New research shows that a planetoid impact could have made our Moon asymmetric.
Happy Birthday, Lowell Observatory!
One of the nation's most famous observatories turns 125 years old. Let's all wish it a Happy Birthday!
Was ‘Oumuamua a Fragment from a Disintegrated Comet?
A new study suggests that ‘Oumuamua’s strange trajectory back out to interstellar space can be explained if the object had the density of air.
NASA’s Budget Gets a Boost for the Artemis Moon Initiative
As the White House requests an extra $1.6 billion for NASA’s Artemis project, the agency moves forward with commercial partnerships.
Jupiter's Great Red Spot Unfurls
Jupiter's South Equatorial Belt appears to be pulling material from the Great Red Spot in an event that's visible from small scopes.
Our Quiet Galaxy Used to Burst with Stars
New research shows that our quiet, middle-aged galaxy used to be quite the firecracker — a couple billion years ago it was exploding with new stars.
Watch International Space Station Flybys All Night Long
The annual International Space Station marathon viewing season begins later this week, when skywatchers in the Northern Hemisphere can watch up to five successive ISS passes in one night.
Solar System "Twin" Is Missing Its Baby Jupiters
Exceptional new images of the LkCa 15 system, a young, Sun-like star thought to host infant gas giant planets, shows those planets don't exist.
Apollo-era Data Reveal Moon’s Tectonic Activity
A new look at old seismic data gathered during the Apollo missions reveals young active faults as a possible origin of shallow moonquakes.
Astronomy Day is Coming Up! How You Can Participate
It’s that time of year again! It’s Astronomy Day! Join fellow enthusiasts on Saturday May 11th for a plethora of fun and exciting events in celebration of all things astronomical.
Planetary Society Grants Help Astronomers Track Dangerous Asteroids
There are some 25,000 near-Earth asteroids with diameters more than 140 meters. Amateur astronomers can find them — and the Planetary Society can help.
