Space
New habitable exoplanets model narrows down search for life
Researchers have developed a new habitable exoplanets model to find out which rocky exoplanets could possibly support life.
Astronomy Essentials
Tonight
Visible planets and night sky guide for June
Visible planets and night sky guide. Look west this evening for the crescent moon near the bright star Regulus. Brilliant Venus shines in the western sky also.
Sun

Sun news: Sunspot region keeps flaring from the far side

Sun news for June 18, 2026: Active region AR4464 is still flaring from the far side, producing a string of beautiful jets and prominences over the past day.
Brightest Stars

Rastaban and Eltanin, the Dragon’s Eyes, on June evenings

Look in the northeast on these June evenings, near the star Vega. You'll see Rastaban and Eltanin, the eyes of Draco the Dragon.
Earth

Midwest tornadoes possible today, flash floods across Gulf?

Tornadoes, large hail and damaging winds are expected in the U.S. Midwest on Wednesday, while a tropical system could bring flash floods across the Gulf Coast.
Space

Are dark galaxies hiding in the nearby universe?

New simulations suggest our nearby universe could contain many dark galaxies, containing dark matter but no stars. And our radio telescopes could detect them.
Space

Satellites swarm the night sky in this new video

Alan Dyer shared this new video as satellites swarm across the sky, obscuring the summer Milky Way. Read more about Alan's video here.
Earth

Noctilucent clouds are back: Look for them now!

Noctilucent clouds are back. The season is underway! Learn about these stunning night-shining clouds and how to see them. Plus, see a gallery of them here.
Earth

Dinosaur-killing asteroid created an abode for life

Scientists have new evidence that the dinosaur-killing asteroid that struck Earth created a hydrothermal habitat that lasted for 8 million years.
Astronomy Essentials

Astro quiz: Test your night sky know-how here!

How well do you know the night sky? Test your know-how of stars, constellations and more with this fun astro quiz. Enjoy!