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

Friday, July 4 Mercury reaches its greatest eastern elongation from the Sun, standing 26° from our star at 1 A.M. EDT. We’ll ...

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 ...

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

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

Mercury hovers above the horizon near a four-percent-illuminated Moon, whose darkened face may be lit by earthshine.

Rising Moon: A terrific trio “Over here!” A triplet of magnificent large craters practically beckons us on the evening of June 3rd. It’s the Moon in a classic, highly photogenic profile ...

Sweeping views of nebulae and dancing galaxies prove the telescope’s enormous field of view and ultra-high-res capabilities.

The breathtaking celestial displays known as the aurorae — the aurora borealis in the Northern Hemisphere and the aurora ...

A combination of a dynamo-generated magnetic field and massive impacts could explain the highly magnetized rocks in some lunar regions.

The innermost planet of our solar system is now well placed for observers.