The solar system’s most distant planet sits 1.1° due north of Saturn, placing them together in a single telescopic field of view all night.

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

Using the Hubble Space Telescope, astronomers have discovered a new rogue planet that was orphaned from its home planetary ...

With the new moon darkening the skies, you’ll have a rare shot at spotting the Milky Way, deep-sky galaxies, and even the ...

Ever since the International Astronomical Union recognized Haumea and Makemake as dwarf planets in 2008, University of Maine ...

Mark your calendar -- you can catch Mercury, Venus, Jupiter, Saturn, Neptune and Uranus in the sky at the same time.

Earth’s prevailing winds are fastest in the northern hemisphere winter, but slowest from June to August, so the summer months ...

This splash of paint on the canvas of space is the planetary nebula NGC 6072, the dying embers of a ruined star that has ...

There's plenty to see in the night sky in August 2025, ranging from planetary conjunctions to spotting the Dumbbell Nebula.

Gemini North telescope in Hawai‘i uncovers hidden companion to Betelgeuse, shedding light on ancient stellar mystery. Using ...

In February 2025, a stunning planetary alignment–also known as the planet parade–allowed observers to see seven planets in ...

New simulations suggest that up to four of the solar system's rocky planets, including Earth and a long-lost world, once orbited in mathematical harmony around the infant sun.