If it’s real, some may question whether something with a mass about three times Pluto’s counts as a planet at all.

Zealandia, which some researchers believe could be considered Earth's eighth continent, is older than previously thought.

Planets with suns like Wolf 359 are subject to huge blasts of radiation that raise questions about their long-term ...

Scientists have captured faint magnetic signatures resulting from the tidal movement of seawater across the planet — and they might have to wait until 2030 to get another shot at it.

You aren't too late to catch a glimpse of a so-called 'planet parade' in the night sky, although to see them all, you might want to grab a telescope.

Awareness of the double crisis—climate change and a second Trump administration—can be overwhelming. Parenthood clarifies my ...

To help you understand the latter, Snapchat’s Plus subscription rolled out a new feature called Snapchat Friend Solar System, which assigns a planet to close friends of yours. In this article, we will ...

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 ...

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.