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Watch exoplanets orbit their star in new video
You can watch 4 exoplanets orbit their home star in this new video from Jason Wang of Northwestern University. See the video here.
February 1, 2023
Comet Machholz rounds the sun, drops fragments
Comet Machholz made its closest approach to the sun on January 31, 2023. It left behind tiny fragments. Read more about this unusual comet.
January 31, 2023
SpaceX Starlink launches for January 2023
SpaceX’s next Starlink launch for the month is currently scheduled from California at 16:15 UTC on January 31, 2023. Watch the livestream here.
January 31, 2023
Comets and asteroids: What’s the difference?
Comets and asteroids both orbit our sun, but usually reside in different parts of our solar system. And except for a few, they're different materials.
January 31, 2023
Sun activity archive for January 2023
Sun activity archive for January 2023. A daily record of flaring, big filaments and prominences, and other sorts of activity, on our local star.
January 31, 2023
Moon occults Mars January 30-31, 2023
On the night of January 30-31, 2023, the waxing gibbous moon occults - or covers - the red planet Mars. Details here - how to see if - what to expect.
January 30, 2023
Moon near Mars January 30 and 31
On the nights of January 30 and 31, 2023, watch for the moon near red Mars from dusk until after midnight. The bright red star Aldebaran is also nearby.
January 30, 2023
January’s deep sky for 2023: Nebulae, clusters and more
Enjoy these January photos of the deep sky, including the majestic Thor's Helmet, taken by members of the EarthSky community.
January 28, 2023
New Milky Way survey reveals billions of objects
Astronomers at NOIRLab, using the Dark Energy Camera in Chile, have released a new Milky Way survey showing billions of objects in the galactic plane.
January 27, 2023
Starship aced a critical fueling test this week
SpaceX's Starship completed a milestone fueling test this week: 10 million pounds (4.5 million kg) or so of liquid fuels loaded into the stacked spacecraft.
January 27, 2023
