Observers across much of the U.S. and Canada have a unique opportunity Monday night, November 20–21, to see Uranus's brightest moon occult a star.
The distribution of elements seen in the samples of Ryugu brought back by Hayabusa 2 hints at a wet past.
Jupiter's Great Red Spot may be reaching a milestone this year by shrinking to its smallest size in recorded observational history.
Alien invasion or flares from satellites in multiple orbits? It depends on your point of view. We also check in on Comet Lemmon, poised to possibly reach binocular-visibility.
The Osiris-REX sample collection team reveals the first look at material collected from the asteroid Bennu.
Comet 12P/Pons-Brooks has awakened again from its recent slumbers with a fresh outburst. It's now bright enough to see in a modest telescope.
Get acquainted with Comet 103P/Hartley. It's been a dozen years since its last bright apparition. While you're at it challenge yourself to spot the elusive gegenschein.
Samples taken from the asteroid Bennu are now safely on Earth.
The Earth's atmosphere and the large size of the solar disk result in unequal days and nights, even on the equinox.
September is Saturn's time to shine. We also check on Comet Nishimura — now at 5th magnitude and still brightening — and look forward to a dramatic asteroid occultation. Not to mention that Jupiter just took another hit.