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What is a waning crescent moon?
You'll find a waning crescent moon in the east before sunrise. It's waning toward new moon, when the moon will be between the Earth and the sun.
July 10, 2026
Euclid finds the most ancient quasars in the universe so far
The Euclid space telescope has discovered 31 new quasars, including the 2 most distant and most ancient quasars yet known.
July 9, 2026
Warped spacetime reveals exoplanet far from its star
The Gaia and TESS space telescopes have discovered a distant Jupiter-like world - Gaia23bra b - by studying warped spacetime.
July 9, 2026
Apophis: From scary asteroid to a rare science opportunity
In just 3 years, asteroid Apophis will zoom safely past Earth. This much-anticipated event is a must-see! Here's how you can see it with your own eyes.
July 9, 2026
Atlantic hurricane season forecast updated due to El Niño
Colorado State University, one of the 2 organizations that make Atlantic hurricane season forecasts, has now revised its forecast downward for 2026.
July 9, 2026
Corona Borealis, the Northern Crown, is overhead now
Corona Borealis, aka the Northern Crown, looks like the letter C. A dark sky is best for seeing this faint semicircle of stars. It's between Arcturus and Vega.
July 9, 2026
Nearby super-Earth GJ 3378b may be a good candidate for life
Astronomers have gotten a closer look at the nearby super-Earth GJ 3378b. It could be habitable, if it has an atmosphere.
July 8, 2026
Summer Triangle star: Vega is bright and blue-white
The Summer Triangle star pattern hangs in the east on July and August evenings in the Northern Hemisphere. Its brightest star is blue-white Vega.
July 8, 2026
2 asteroid flybys yield new closeup images
Japanese and Chinese space agencies completed 2 asteroid flybys in early July. Read more about the asteroids and see the closeup images here!
July 7, 2026
Guy Ottewell honored with an asteroid in his name
On July 6, 2026, the IAU honored longtime astronomy educator Guy Ottewell with an asteroid. Thus 21008 (1988 PE) is now also known as asteroid Ottewell.
July 7, 2026
