From iron rain on exoplanets to lightning storms on Jupiter ... Here are 4 examples of strange weather on alien worlds.

In recent years, earthly observers couldn't see Saturn's southern hemisphere. It was largely hidden behind Saturn's rings. In 2021, Saturn's rings and north pole reached their maximum tilt toward Earth, and now the southern hemisphere is coming back into view ... colored blue.

The Discovery Channel announced on May 18, 2021, that it's launching a new reality show competition called "Who Wants to Be an Astronaut?" It aims to send one ordinary person to the International Space Station for an 8-day stay.

If you could look down on the solar system plane from above on May 21, 2021, you'd see that the sun, Earth and Jupiter form a 90 degree angle in space, with our planet Earth at the vertex of this angle.

New research shows that a small dinosaur called Shuvuuia deserti, which lived in the deserts of what's now Mongolia, had exceptional night vision and hearing, similar to modern day owls and other night predators.

The Lunar Crater Radio Telescope is now moving into Phase 2 of development. It'll be built by robots, into a natural bowl-shaped crater on the moon's far side. If completed, it'll be the largest radio telescope in the solar system.

The upcoming eclipse season - featuring a total eclipse of the moon in late May 2021 and an annular or ring eclipse of the sun in early June - is unusual for featuring a short lunar eclipse and relatively long solar eclipse. Here's how to understand it in the context of 1,000 years of eclipses.

This evening - May 19, 2021 - the moon is at or near its 1st quarter phase, shining rather close to Regulus, the constellation Leo the Lion's brightest star.

What a catch! This EarthSky community member caught the International Space Station (ISS) slicing across the night sky on May 17, 2021, passing Polaris, the North Star.

Stone Age artifacts excavated near the shores of Lake Malawi in eastern Africa, combined with evidence drawn from the lakebed itself, provides the earliest evidence of ancient humans using fire to enhance their world.