The planet, which orbits its parent star HD156668 about once every four days, is the second-smallest world among the more than 400 exoplanets (planets located outside our solar system) that have ...

Astronomers have found evidence for what might be a planet with about half the mass of the Moon orbiting the pulsar PSR ...

The snapshots were collected during its closest ever flyby of our solar system’s smallest planet. You can check out the awe-inspiring images below. On January 8, the robotic explorer operated by ...

The second image was taken five minutes after ... in 2018 as Europe’s first mission to Mercury. Mercury is the smallest planet in our solar system and is also the closest planet to the sun.

A spacecraft operated by the European Space Agency and the Japan Aerospace Exploration Agency has made its final flyby of Mercury, as scientists now work to guide BepiColombo into the planet’s ...

Stunning pictures of Mercury have been published revealing the sunlit plains and possibly icy craters of the smallest planet in the solar system. Three pictures taken by the BepiColombo spacecraft ...

Now European Southern Observatory (ESO) thinks one of the objects floating along the main belt might be the smallest dwarf planet in our solar system — an asteroid known as Hygiea. Hygiea isn ...

A spacecraft operated by the European Space Agency and the Japan Aerospace Exploration Agency has made its final flyby of Mercury, as scientists now work to guide BepiColombo into the planet’s orbit.