The moon, Venus and the Pleiades open star cluster will form an unusual celestial triangle on June 22. | Credit: Starry Night ...

Nearly 400 years ago, Galileo looked at the Pleiades star cluster through his telescope and noticed that the seven or so ...

Pluto will reach its closest approach to Earth and align opposite the Sun on July 25, appearing slightly brighter (magnitude ...

This photo taken on June 23, 2025 shows a view of the Pleiades star cluster and a crescent moon in Qiqihar, northeast China's ...

The bright morning star Venus crosses from Aries into Taurus, closing in on Uranus for a conjunction later this week.

On June 22, the moon, Venus and the Pleiades star cluster will form an extraordinary celestial triangle in the predawn sky ...

Most people have never seen the Little Dipper, because most of its stars are too dim to be seen through light-polluted skies.

The Pleiades star cluster (also known as Messier 45) is a different beast entirely — a gravitationally bound collection of over a thousand stars found within the Milky Way some 445 light-years ...

The globular cluster Messier 22 (M22) reaches its highest point in the sky around midnight local time, specifically for ...

Earth reaches aphelion, its farthest point from the sun, at 2:54 p.m. on July 3. At that moment we’ll be 94.5 million miles ...

This Sunday, June 22, offers a breathtaking sky show, with a stunning triangular alignment of the waning crescent moon, the ...