With Mercury joining the show, all seven of Earth’s celestial neighbors will be present at dusk this week. By Katrina Miller Astute skywatchers may have already seen the striking line of planets ...

There are a couple of ways that scientists can date planets, so which planets formed first in our solar system? When you purchase through links on our site, we may earn an affiliate commission. Here’s ...

Like a celestial parade across the cosmos, five bright planets are lighting up the night sky and visible with the naked eye all February long — with two other planets also detectable for skywatchers ...

Fresh off the excitement of the Perseids meteor shower is a chance to see six planets lined up in the sky at once. These events, colloquially known as planet parades, occur occasionally with the most ...

This week's science news was led by a spate of climate stories that were as worrying as they were fascinating. Topping the bill are microbes that were woken up after lying frozen in the Alaskan ...

Astronomers have directly spotted a rare young planet, WISPIT 2b, still forming within the gap of a dusty ringed disk around a star like our sun—something long theorized but never observed until now.

This article was originally featured on The Conversation. Are planets in the solar system that are closer to the Sun older than the ones further away? – Gavriel, age 10, Paducah, Kentucky A cloud of ...