SUNSET: 
This Week's Sky At a Glance, March 5 – 13
Sirius shines high on the meridian right after dark, as Orion starts tilting westward. Mars keeps company with the Pleiades. And three planets help you greet the dawn.
March — A Good Time to Visit Vesta
Dip into this easy guide to seeing the brightest asteroid, Vesta, and understanding what makes it unique.
March: Find the Winter Hexagon
Our Sky Tour astronomy podcast provides an engaging guided tour of the planets, stars, and constellations overhead during March.
This Week's Sky at a Glance, February 26 – March 6
Mars is passing the Pleiades. Sirius and Canis Major take over the early-evening meridian from Orion. And low in the dawn, Jupiter closes in on Mercury.
60-second Astro News: Venus Close-up and Supernova 1987A
Now, there's more evidence that astronomers have found the pulsar at the heart of Supernova 1987A. Plus, a new stunning image of Venus.
A Map of a Stellar Explosion
Scientists may have discovered a clue to how massive stars form in the Orion Nebula and a stellar birthplace.
Amateur Astronomers Reveal Long-Ago Galaxy Mergers
The images from five Brazilian amateur astronomers have captured Hubble-level details in galaxies, laying the ground for future work in understanding their histories. Want to join the fun?
Star-shredding Black Hole Makes Ghostlike Particle
A single high-energy neutrino may shed light on a star being swallowed by a supermassive black hole some 690 million light-years away.
Watch NASA's Perseverance Land in Jezero Crater on Mars
NASA’s Perseverance rover is providing us with amazing views of its new home., including an amazing video of the sky-crane descent.
First-detected Black Hole is More Massive Than We Thought
A higher mass for Cygnus X-1, the first black hole to be discovered, challenges ideas about the evolution of massive stars.
New Map of Ice on Mars Will Aid Future Crewed Missions
Scientists have made a new and improved map of possible water-ice reservoirs on Mars.
This Week's Sky at a Glance, February 19 – 27
Sirius the Dog Star blazes high in the southeast after dinnertime, the brightest star of Canis Major. Spot it lower left of Orion. The stars of Canis Major can be connected to form a convincing dog profile.
Watch the Moon Journey Across the Winter Hexagon
About once a month this winter, we can watch the Moon take a four-day journey across a field of stars termed the "Winter Hexagon."
NASA’s Perseverance Arrives on Mars
NASA’s Perseverance rover, now safely on the floor of Jezero crater, will soon begin its search for evidence of past life on Mars.
Watch Online: NASA's Perseverance Landing on Mars
One week from today, NASA's Perseverance rover will land on Mars. Find resources here — including broadcast of the landing itself.
A Deep-sky Hippity-hop through Lepus, the Hare
Snare a dozen bright double stars and deep-sky objects in the celestial Hare the next clear night. We also provide details on how to watch the potentially hazardous asteroid Apophis occult a star the night of February 21st.
A Timeline for NASA’s Perseverance Landing on Mars
NASA’s Perseverance rover is set to land on Mars tomorrow in a complex but well-tested procedure — its very own "seven minutes of terror."
The Alignment of the Milky Way’s Entourage, Explained
Astronomers are starting to understand why the dwarf galaxies around the Milky Way are aligned along a plane.
Planet-eating White Dwarfs, A Black Hole Cluster & The "Farfarout" Object
This week in astronomy news, astronomers found planet-eating white dwarfs, a cluster of black holes, and a "farfarout" object that's now the most distant known in the solar system.
Chlorine and Water Are in the Air in Martian Summertime
Two studies of the Martian atmosphere are changing the way we think about its current climate and its ancient past.
