space-science

Did Mars have life in the past? Today, there is no confirmed evidence of past or present life on Mars, but decades of missions show that the planet once had conditions that coul...

Prograde motion is the eastward movement of a planet or celestial object against the background stars when viewed from Earth’s north pole direction. In the solar system, most...

Mercury on Mars is both a chemical element and a planetary science topic, referring to the presence, behavior, and origins of mercury (Hg) observed across the Martian environmen...

The discovery of water on the Moon involved multiple missions and instruments over several decades, with key contributions from orbital remote sensing, sample return, and impact...

A new crater on the Moon forms when an asteroid or comet fragment strikes the surface at high speed, excavating a bowl-shaped hole in a single, brief event. Unlike erosion on Ea...

When an astronaut becomes sick on the International Space Station or in deep space, NASA follows rigorously tested medical protocols to stabilize, treat, and, if needed, return...

When reports reference a meteorite "last week," they typically describe a recent fall or find documented within the prior seven days, not a singular object tied to a precise cal...

No, a human cannot live on Saturn. Saturn is a gas giant with no solid surface, composed primarily of hydrogen and helium, and it lacks the air, liquid water, and stable tempera...

Saturn images from telescope archives offer a reliable way to study the planet’s atmosphere, rings, and moons using data collected by professional observatories and spacecraft...