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, ...

Six planets are visible in the night sky right now. On Feb. 28 ... recognized dwarf planets in our solar system: Ceres, Pluto, Haumea, Makemake, and Eris, according to NASA.

Attention, stargazers: Another celestial phenomenon is set to appear in the night sky Friday evening ... including Pluto, Ceres, Eris, Haumea and Makemake. Grad student discovers planet orbiting ...

As the moon reflects the sun's light, the shadow dims the moon's glow. During the peak of a total lunar eclipse, the moon ...

Stargazers on nearly one half of the world witnessed a total lunar eclipse overnight, as a rare cosmic lineup caused the moon to turn a shade of red.

Anyone who managed to be awake in the early hours of Friday morning (and remembered to look at the moon) had a chance to see ...

Whenever planets are visible in the night sky, they always appear roughly along the same line. This path, known as the ...

The agency is encouraging astronomy clubs to throw “star parties” to introduce people to the nebulae and galaxies spotted by ...

For centuries, the saying "Red sky at night, sailor’s delight. Red sky in the morning, sailors take warning" has been used to predict the weather – but is there any truth to it? According to ...

As the moon moved through the shadow of the Earth, it was also being illuminated by light from the sun — causing the moon to ...

More travelers are seeking out the feeling of awe from the night sky, with 60% of travelers saying they're considering visiting a low-light pollution destination, according to Booking.com's 2025 ...