Mercury stands less than 3° from the Beehive Cluster in the evening sky, preparing to cross through the cluster’s outskirts ...

An enormous explosion occurred approximately 3 to 6 miles (3.8 to 9.7 kilometers) above the Tunguska River area of Siberia on June 30, 1908, when an asteroid entered Earth’s atmosphere and exploded in ...

What would you do if you woke up on a spaceship light-years from Earth without knowing why you’re there? When science teacher Ryland Grace finds himself in such a situation, he’ll need his scientific ...

Born June 29, 1868, in Chicago, George Ellery Hale revolutionized American astronomy by, among other things, championing the ...

Two distant planets lie 1° apart in the morning sky, visible together in the same field of view through binoculars or a telescope.

Machine learning can help tighten constraints on the overarchingFor almost as long as humans have existed, we have been trying to make sense of the cosmos. What started as philosophical musing has, ...

The bright morning star Venus crosses from Aries into Taurus, closing in on Uranus for a conjunction later this week.

The Axiom Mission 4 launch sent an international crew to the ISS, advancing commercial spaceflight and preparing for the ...

On his first trip to the Grand Canyon Star Party, Dave Eicher joins thousands for a week of lectures, observing, and cosmic ...

Felton Davis offered thousands of strangers a close-up view of the Moon and planets orbiting New York City. Now he’s passing ...

For the first time, JWST has discovered an exoplanet through direct imaging, revealing TWA 7 b, a Saturn-mass world.

The star Polaris marks the North Celestial Pole in our sky, around which all other objects in the heavens appear to rotate.