Saturn’s moon Iapetus is visible close to the ringed world today, along with several other of the planet’s brighter moons.

August’s Full Sturgeon Moon shines brightly in the sky tonight, showing off the rayed crater Tycho in the south.

Plus: The August Full Sturgeon Moon shines, the colorful double star Albireo sparkles, and Mercury reappears in the sky this ...

Jim Lovell, the heroic commander of Apollo 13, was a part of several historic NASA missions and left an enduring legacy of ...

The only person to fly to the Moon twice but never trod its surface had some amazing stories to tell. Originally published ...

Alpha Centauri planet candidate discovered by JWST orbiting a Sun-like star. Learn about this potential gas giant in our ...

Proba-3 creates artificial solar eclipse to study Sun's corona. Two ESA satellites fly in precise formation to reveal the sun ...

Structured observing projects, such as those offered by the Astronomical League (Lunar Observing Program and Lunar Evolution ...

NASA is fast-tracking plans to deploy a nuclear reactor on the lunar surface by 2030 as a strategic imperative to prevent ...

August brings Saturn and Neptune together, offers two shadow transits of Titan, and sees a conjunction of Venus and Jupiter.

Neptune and Saturn appear together in a telescope as Mars passes a star in Virgo and Titan’s shadow transits Saturn in the ...

8. Speaking of sunlight, it’s composed of approximately 40 percent light, 50 percent heat, and 10 percent ultraviolet ...