SUNSET: 
Ingredients of Life Discovered on Near-Earth Asteroid Bennu
Samples collected from the asteroid 101955 Bennu contain life’s key building blocks, scientists have found.
The Ring Nebula Is a Barrel, Not a Ring, 3D Data Show
New data has allowed a team of researchers to reconstruct a detailed view of a famous circle in the constellation Lyra.
NASA Looks to Industry to Continue VIPER Lunar Rover Mission
The development of the VIPER lunar rover has been discontinued.
Asteroid Named for S&T’s Editor in Chief, Diana Hannikainen
The International Astronomical Union has named asteroid 2000 BE23 after S&T’s new Editor in Chief, Diana Hannikainen: 50252 Dianahannikainen.
February Podcast: Planets Amid Winter’s Stars
This month we’ll look for five planets in the evening sky, explore the Moon’s phases, take stock of winter’s brightest stars, and track down two lesser-known constellations. Give Sky Tour a Try!
Planets “Parade” with Waxing Moon
The "planet parade" isn't over yet — the waxing Moon will pair with the planets in the coming week, with a pretty Venus-Moon pairing on February 1st.
This Week's Sky at a Glance, January 31 – February 9
The waxing crescent Moon pairs up with Saturn, then Venus. On the night of the 5th the Moon occults some of the Pleiades. Looking wider, the Winter Hexagon fills much of the February sky.
Drift Along in Eridanus, the River Constellation
This meandering watercourse is the sixth largest constellation in the sky and holds galaxies aplenty.
Take a Look at R Leonis, Leo's Giant Ticker
Big, bright and red, the Mira variable R Leonis portends the Sun's fate. A pair of binoculars is all you need to get acquainted.
Newly Discovered Asteroid Has Slight Chance of Earth Impact in 2032
The discovery marks only the second time that an asteroid's impact risk has reached greater than a 1% chance.
Space Industry Adds Threats to Astronomy, Light Pollution Remains a Big Problem
Multiple effects from ever-increasing satellite launches could impact future observations; the biggest threat to astronomy, though, is still coming from the ground.
New Images Reveal Exocomets Around 74 Nearby Stars
Researchers have unveiled new images of 74 nearby stars surrounded by belts of small, comet-size bodies, not unlike our own Kuiper Belt.
This Week's Sky at a Glance, January 24 – February 2
Mars pulls away from Pollux this week. The winter Milky Way crosses the zenith. Lepus, the Hare under Orion's feet, offers a famous nearby double star and a rare winter globular cluster.
Supernova Echoes Probe Clouds in the Milky Way
As a blast from the past reverberates through our galaxy, it illuminates the fine structure of dusty gas that may someday form new stars.
Disintegrating World Sheds Comet-like Tail
Astronomers have spotted a disintegrating world being destroyed by its star, providing a unique window into the end of a planet’s life.
Witness the First-ever Sight and Sound Recording of a Meteorite Impact
To our best knowledge, the fall of last summer's Charlottetown meteorite stands as the only video-and-audio recording of a meteorite impact.
New Distance Measurement Highlights Hubble Tension
The distance to the Coma galaxy cluster highlights a discrepancy between different measurements of the universe's current expansion rate.
Comet ATLAS Caught in the Act of Disintegration
Nucleus falls to pieces, but the comet continues on!
Supernovae Shaped the Early Universe, Webb Telescope Finds
Astronomers have discovered one of the earliest supernovae yet and found that exploding stars may have contributed to the enrichment of the young universe.
This Week's Sky at a Glance, January 17 – 26
Brilliant Mars, just past opposition, outshines its neighbors Pollux and Castor in the east. Venus and Saturn pull apart in the southwest. Orion dominates the high southeast after dinnertime, with searing white Sirius sparkling below it.
