Mars starts May not far from the Beehive star cluster, Venus is unmistakable in the predawn sky, and Mercury looks best early ...

Hidden away in the darkest corners of Earth’s atmosphere, a faint green airglow quietly paints the night sky, far from the ...

Jupiter and Mars shine in the evening, more planets gather in the morning, and the Eta Aquariid meteors join in.

The ultimate purpose of PUNCH is to use its four instruments — three wide-field imagers (WFI) and a near-field imager (NFI) — to isolate features found within the solar wind. This is because one of ...

Also listed is the time of the ending of nautical twilight, when the sun is 12 degrees below the horizon and the background ...

For years, astronomers have toyed with the idea that the Sun hides an extra planet so distant and dim that even the best ...

Dwyane Wade revealed that his part ownership in the Chicago Sky was in part because he wanted his daughter Kaavia to have ...

Sky This Week is brought to you in part by Celestron. Friday, May 2Asteroid 4 Vesta reaches opposition at 2 A.M. EDT this ...

PUNCH, a bold new NASA mission, has successfully taken its first images of the Sun’s corona from orbit using four ...

The NASA New Horizons spacecraft’s extensive observations of Lyman-alpha emissions have resulted in the first-ever map from ...

Sunlight increases serotonin and energy, especially when you step outside. Temperatures between 50–70°F (10–21°C) are most ...