"There are plenty of astronomy apps for mobile phones to guide your viewing, but be aware that they can destroy or diminish ...

There are countless fixed stars in the firmament, but Sei Shonagon (c.966-c.1025) named only the Pleiades star cluster and ...

The first quarter moon on January 6. The waxing gibbous moon passes just north of Jupiter in the northeast. The big action is ...

This month, four bright planets greet you in the early evening. Venus and Saturn cozy up on the 17th and 18th, while Mars is at its brightest in the past two years. The Moon occults Mars for those in ...

Nov. 4, 2024 — Stem cells grown in microgravity aboard the International Space Station (ISS) have unique qualities that could one day help accelerate new biotherapies and heal complex disease ...

Some stargazers are calling it a planetary parade: Every other planet in our solar system can be seen in the sky tonight.

From lunar and asteroid missions to groundbreaking human spaceflight tests and new rockets, 2025 promises an array of ...

December 2024 will see a rare "black moon," a term for the second new moon in a calendar month. The second new moon of ...

NASA’s Juno spacecraft, which began orbiting Jupiter on July 4, 2016, is the first spacecraft to peer below Jupiter’s clouds ...

The four brightest planets are still afoot. Venus and Saturn dot the southwestern sky at dusk, while Jupiter and Mars join ...

Steering by the stars has long been the way of travelers, at Christmas and at other times. These have been old stars and new ...

I pick out North America’s celestial highlights for the week ahead (which also applies to Northern Hemisphere mid-northern ...