So in some sense, alien worlds were not first discovered in the 1990s or even the 1980s. It took nearly a century to fully ...

All planets are made of gas, ice, rock and metal, and models of how planets form usually assume that these materials don't ...

For the better part of a century, we believed there were nine planets in our solar system, with Pluto being the farthest from the sun. Since the discovery of more Pluto-sized dwarf planets, that ...

One Ph.D. student took to TikTok to call out a politician's misleading claims about our atmosphere and carbon dioxide's role ...

Astronomers discover a super-Earth and a sub-Neptune 250 light years away from our solar system. These planets offer a ...

The first time you may have heard the term ‘dwarf planet’ was when Pluto got demoted to one in 2006 (RIP). However, we actually have six in our Solar System. Pluto, Ceres, Makemake, Haumea, and Eris ...

Traditionally, researchers have focused on finding planets similar to Earth, believing that conditions mirroring our own would be the best place to look for life. However, a new study suggests that an ...

Its impressive moon tally means it has the most moons of any other planet in the solar system ... before that she worked as a staff writer for our sister publication All About Space magazine.

Planet Rugby takes a closer look at the players who lead the rest in the respective individual statistics categories in Super Rugby Pacific 2025.

When it was discovered in 1930, Pluto was considered the ninth planet in our solar system, a status it held until 2006 when it was reclassified as a dwarf planet. A lot of people who grew up ...

Let’s take a closer look at this former planet at the edge of our Solar System. Since it received its new status of a “dwarf planet,” Pluto can console itself with finally being the largest ...

That probably means they are too hot to be habitable, but the find is a new benchmark for discovering smaller planets around nearby stars. “It’s a really exciting find—Barnard’s Star is our cosmic ...