Space
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.
Space
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.
Astronomy Essentials
Tonight

Visible planets and night sky guide for July

EarthSky's visible planets and night sky guide. Tomorrow morning, look for the moon near the Pleiades and red Mars. And see a video about asteroid Apophis.
Sun

Sun news: Two M flares from promising sunspot region

Sun news July 9, 2026: Two M flares kept activity at moderate levels, both from the potent AR4482. What's next from this sunspot group?
Earth

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.
Constellations
Tonight

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.
Space

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.
Brightest Stars

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.
Space

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!
Human World

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.

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