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

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

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

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

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

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 ...

Intuitive Machines’ Nova-C lander stands on the lunar surface in this illustration, depicting it at a ridge near Shackleton crater. Its landing site has since been changed to Mons Mouton.

Vesta’s classification has vexed astronomers for decades, but a recent study is forcing planetary scientists to reevaluate its internal structure.

Near the Moon’s western limb lies Oceanus Procellarum, the Ocean of Storms — a vast swath of terrain spanning 1,600 miles (2,500 kilometers) north to south, and covering 10.5 percent of the ...

The universe is a vast, spectacular place that humans have striven to understand for millennia. Now, with the help of instruments such as the Hubble Space Telescope, which snapped this image of ...

We’ve always known Mars as the Red Planet — but it turns out, we may have had the reason why wrong. If so, it could revise much of what we know about the history of our smaller neighbor planet.