SUNSET: 
Astronomy in Space with David Dickinson
NASA, SpaceX Launch Historic Mission to International Space Station
Crewed spaceflight returns to U.S. soil, with the successful launch of Crew Dragon Demo 2.
Comet SWAN's Final Song
Despite early expectations Comet SWAN appears to be fizzling, providing yet another opportunity to appreciate what makes these objects so unique.
Astronomy in Space with David Dickinson
NASA Renames WFIRST: The Nancy Grace Roman Space Telescope
NASA is renaming its next flagship space observatory to honor pioneering NASA astronomer and "Mother of Hubble," Nancy Grace Roman.
See Spring's Finest Spiral Galaxies
On Earth we find spirals in sunflowers and snails, but to see it expressed in something as enormous as a galaxy transforms this familiar pattern into something truly grand. That's what I feel when I point my scope at the Whirlpool Galaxy and see its billions of suns arranged in the whorls of a spiral. Grandeur.
Imaging Foundations with Richard Wright
Backyard Projects for At-home Astrophotographers
Can’t get to your favorite dark sky site? Do not despair, a great many targets and techniques are still available to the backyard imager.
Medieval "Dark Eclipse" Helps Date Ice Cores — and Time Volcanic Eruptions
Scientists have used a famous "dark eclipse" of the Moon to help date ice cores collected in Greenland and the Antarctic.
Explore the Night with Bob King
Supernovae Light Up in M61 and NGC 3643
Two new supernovae for amateur telescopes are keeping things lively this month.
Comet SWAN Expected to Put on a Splendid Show
Comet SWAN will grace northern skies in the days to come.
Closest Black Hole to Earth? Maybe
An international team of astronomers says that they’ve discovered the closest black hole to Earth — an invisible object dancing with two large, bright stars 1,000 light-years away.
Did Pluto Harbor an Ancient Subsurface Ocean?
New studies shed light on the early years of Pluto's formation, and whether it ever hosted a subsurface ocean.
Chase a Potentially Hazardous Asteroid As It Flies by Earth
Break out your binoculars or a small telescope, we've got a busy week ahead! Watch as a bright asteroid approaches Earth, the Moon steals a star, and Comet ATLAS's last hurrah.
Mismatched Black Holes Merge
For the first time, the LIGO and Virgo gravitational-wave detectors have "heard" gravitational waves from an unequal pair of black holes.
Black Hole Changes Star’s Orbit in Gravity Test
A long-awaited measurement indicates that a star whizzing around the Milky Way’s supermassive black hole has changed its trajectory.
Shadow-casting with Venus
Venus has a been powerful presence at dusk for months — bright enough to cast shadows. How would you like to put it to the test? The Moon won't spoil the darkness until at least April 24th — April 25th if you wait till after moonset — making it the perfect time to see your own shadow by the light of another celestial body.
Astrophotography: Tips & Techniques
Astrophotography: Catching Comets
Photographing comets presents unique challenges to your astrophotography routine. A few straightforward techniques can help.
Space and Astronomy in the Time of COVID-19
The ongoing worldwide COVID-19 pandemic is having a significant impact on spaceflight, science, and professional and amateur astronomy.
BepiColombo's Flyby Past Earth
BepiColombo, the joint ESA/JAXA Mercury-bound mission, will swing by the Earth on Friday.
Oh No! Comet ATLAS Is Fragmenting
Find out when and where to see Comet ATLAS (C/2019 Y4) — and stay tuned to see how bright (or not) this comet gets.
Event Horizon Telescope Finds Bent Jet Near Black Hole
Observations from the worldwide network of radio telescopes show the fire hose of plasma shooting from a distant galaxy does something strange near its source.
Astronomy in Space with David Dickinson
Sunrise CubeSats Will Study Giant Solar Storms
NASA has selected a unique new mission to study the Sun, targeting a 2023 launch date.
