As the fastest-moving planet in our solar system, Mercury goes retrograde three to four times a year for about three weeks.

Astrology devotees believe that Mercury retrograde disrupts communication, technology and travel. To counterbalance that ...

Learn how to navigate the first Mercury retrograde of 2025 and see if your zodiac sign is among those affected by this ...

For a few evenings around 28 February, every planet in the solar system will be visible in the night sky, thanks to a rare great planetary alignment. Here's how to make sure you don't miss this ...

Stargazers will be treated to a rare alignment of seven planets on 28 February when Mercury joins six other planets that are already visible in the night sky. Here's why it matters to scientists.

The leading explanation for all of these mysteries is known as the giant impact hypothesis. According to this story, when the ...

Astronomers have identified a quartet of small rocky planets orbiting Barnard's star - one of our closest stellar neighbors - ...

Astronomers have discovered more than 300 exoplanetary systems that have three or more known planets. Most of these planets are about the same size and spaced close together, earning them the moniker ...

Mercury is popularly known as the "elusive ... hard for placing the sun and not the Earth at the center of our solar system. Although the climate of Copernicus' homeland (Poland) tended to ...

This week Mercury joins the queue. Now every other world in our solar system will be visible among the stars at the same time — if you know where to look. According to Gerard van Belle ...

Mercury, Venus, Mars ... Clear skies will also be necessary to see all the planets. The planets in the solar system orbit the sun, just as Earth does. Every planet orbits at a different speed ...