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

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 ...

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

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

Astronomers face a data deluge from observatories like Vera Rubin — simulated skies may be key to training algorithms to keep ...

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

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

Humanity’s need to track the Moon’s changing phases and motions is ancient. Mammoth hunters used the Moon as a timekeeper, carving crescent-shaped notches into bone and tusk.

Globular cluster M15 hides within it a planetary nebula, Pease 1. Observers with large scopes and steady skies can find it.

The new planet is TWA 7 b, where the “b” means that this is the first exoplanet discovered in this system. (The “a,” if used, ...

As Asteroid Day marks its 10th anniversary, U.S. Senators Kelly and Cornyn introduce a resolution to establish National ...