Space

Temperature studies of rocks on Mars reveal water was briefly present in a part called Arabia Terra.

by Wei Lifigures by Catherine Ding The universe is massive, with an estimated 70 quintillion planets—that is 70 followed by an additional 18 zeros. In the Milky Way alone, where we reside, there are billions of planets. With these huge numbers, Earth…

Jupiter's moon Europa might not need the sun's rays to glow. If so, its color will shed light on the chemistry of the ocean world.

A team of international astronomers have identified the smallest free-floating "rogue" planet observed to date.

Astrobiologists have discovered a way for exposed bacteria to survive voyages through space, giving them the potential to spread life throughout the universe.

Researchers create a melanin particle containing selenium, providing even more protection from harsh UV rays. These nanoparticles can be incorporated into clothing - providing astronauts a very lightweight alternative to lead shielding.

Researchers have discovered a mysterious, repeating pattern of fast radio bursts from space - and no one knows where they are coming from.

by Christopher Rota figures by Hannah Zucker When the first Apollo program astronauts set foot on the Moon in 1969, their footsteps inspired a generation.  This opened a new realm of possibility for what humans can achieve with the necessary motivation…

Data from the New Horizons probe, flying in the asteroid field far beyond Pluto, have finally been downloaded and analyzed. They challenge our previous views of the formation of the solar system.

Curiosity rover's analysis of rocks on Mars suggests that ancient water on the red planet would have been suitable for supporting life.