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Happy Groundhog Day! Will Phil see his shadow?
The predicted high for Punxsutawney, Pennsylvania, on February 2, Groundhog Day, is 24 degrees F (-4 C) and cloudy. Will Phil see his shadow?
February 1, 2026
Does a supermoon have a super effect on us?
The extra pull of gravity from a supermoon creates higher-than-usual tides. But the effects of a supermoon on a human body are imperceptible.
January 30, 2026
The moon’s terminator line divides night and day
The moon’s terminator line divides day and night on the moon. As we see it from Earth, it marks the line of lunar sunsets or sunrises. Read more.
January 25, 2026
2027 Quadrantid meteor shower has narrow peak on January 3-4
The Quadrantid meteor shower in 2027 will peak in the hours before dawn on January 4, in a dark sky.
January 25, 2026
Which Milky Way spiral arm contains our sun?
Where do we live in the Milky Way galaxy? We lie between the major arms in a smaller spiral arm known as the Orion Arm. See diagrams here.
January 22, 2026
Here’s what ‘habitable’ means to astronomers
When astronomers say a distant world is 'habitable,' what do they mean? Do they mean humans could live there? Do they mean we've discovered alien life?
January 18, 2026
Top 10 brightest objects in our solar system
Ready for some easy astronomy? How about the top 10 brightest objects in our solar system? If you've seen every one of these objects, congrats!
January 14, 2026
Leonid meteor shower: All you need to know in 2026
2026's Leonid meteor shower will peak on the morning of November 18, 2026. Watch for meteors after midnight until dawn. A 1st quarter moon will be present.
January 13, 2026
What does opposition mean for an outer planet?
Opposition is when Earth passes directly between the sun and an outer planet, placing the outer planet on the opposite side of the sky from the sun.
January 9, 2026
Venus superior conjunction (beyond sun) on January 6
The moment of the Venus superior conjunction - when it passes most nearly behind the sun as viewed from Earth - occurs today, January 6, 2026.
January 6, 2026
