There will be plenty of celestial events this June, from planetary conjunctions and the summer solstice to a micro full ...

"I think these are not far-out type of ideas; they are not really futuristic ideas that we are talking about." ...

The night sky this weekend is set aglow with this year’s only full Blue Moon. Following the full Flower Moon on the first day of May, the 31st marks the completion of yet anothe ...

Despite being the closest planet to the Sun, Mercury hosts water ice at its poles. Now scientists may know how it got there.

Enjoy May’s second Full Moon, see Mercury at its best, spot Titan near Saturn, and much more in the sky this week.

Philadelphia Gay News Horoscopes for the week ahead, May 29-June 4, 2026. See what the stars have in store for your sign.

NASA's Nancy Grace Roman Space Telescope is poised to make a major leap in the hunt for worlds outside our solar system, ...

New findings suggest Mercury's ice was deposited rapidly rather than supplied gradually over long periods of time.

The exoplanet is gravitationally gripped in a speedy, 11-hour orbit around a red dwarf star that's less than one-fifth the mass and size of our Sun. Since the exoplanet orbits its dim, red parent so ...

The most impressive feature on Mercury is the Caloris Basin, a vast, multi-ringed crater over 800 miles across, which is ...

A giant planet nearly 700 light-years away has a bizarre daily weather cycle where mineral clouds appear every morning and ...

James Webb Space Telescope exoplanet weather observation confirms the first daily cloud cycle ever detected outside our solar system, revealing that a decade of hot Jupiter atmospheric composition ...