Caroline Delbert is a writer, avid reader, and contributing editor at Pop Mech. She's also an enthusiast of just about ...

Our solar system may have a ninth planet after all, following the declassification of Pluto nearly two decades ago, ...

As J.R.R. Tolkien wrote in The Fellowship of the Ring, “Not all those who wander are lost.” But in the case of planets, it’s possible that most of them are.

Apr. 16, 2025 — Astronomers have found a planet that orbits at an angle of 90 degrees around a rare pair of ... Cosmic Processes Shapes the Size and Location of Sub-Neptunes Mar. 17, 2025 ...

As of 2025, astronomers have identified at least 14 stars within 10 light-years of the Sun ... planets is a smaller sub-Earth, with no more than about a third of Earth’s mass, and travels around ...

That’s about half of the planet’s orbit around the sun. However, the astronomers estimate the planet has a low mass and low gravity, which is contributing to its quick disintegration.

Catch some morning meteors, see the Moon reach First Quarter, and watch Mars visit the Beehive in the sky this week.

The only noted way for a star to consume its own planets is for the star to increase significantly in size. This happens when a main sequence star, like our Sun, runs out of hydrogen to fuse and ...

A stellar occultation this month gave scientists an opportunity to scrutinize the seventh planet from the Sun.