Astronomers have discovered two exoplanets around TOI-1453, a star about 250 light years away. These two exoplanets, a super-Earth and a sub-Neptune, are common in the galaxy, yet are absent from our ...

Considered a solitary star for its lack of stellar companions, Barnard's Star is notoriously lonely—signs of any exoplanets ...

Consequently, even though it is one of the closest stars to Earth, such that its light takes only six years to get here, it ...

Ceres is a dwarf planet in the asteroid belt between Mars and Jupiter. It's the largest object in the asteroid belt and the closest dwarf planet to Earth.

(Earth, of course, is the eighth planet, and poor Pluto was demoted in 2006 and is now considered a dwarf planet.) Mars, Venus, Jupiter, Mercury and Saturn should be visible to the naked eye.

According to NASA, multi-planet lineups are visible "every few years," but a seven-planet alignment is particularly uncommon, as each planet's orbit varies, with some moving more quickly and Mercury, ...

Until that happens, the best the universe can offer is aligning planets, we’re afraid – but it’s still pretty exciting. For a few brief evenings this week seven planets in our solar system ...

Seven planets are aligning in the night sky this week, creating a brief chance to see a "planetary parade." Worldwide, the best day to see the alignment is today, Feb. 28. Mercury, Venus ...

For a brief moment on Friday, every planet will appear in the night sky simultaneously in a rare celestial spectacle. This so-called planetary parade, which will occur shortly after sunset on 28 ...

As February draws to a close, skywatchers have their final chance to see the “planet parade” that has been lighting up the night sky. While the celestial spectacle, in which all seven planets ...