Astronomers have identified an extreme exoplanet, LTT 9779 b, that is reshaping our understanding of planetary atmospheres.

With new data coming in from Mars, scientists have a new theory about why the planet is red. What does this mean for whether ...

A recent study has claimed that Mars is red in color due to ferrihydrite, an iron oxide mineral that's left over from liquid water. This finding suggests that the Red Planet could've had a cold and ...

With its iconic rusty hue, Mars has long been called the red planet. Now, scientists may have discovered the potential source of that distinctive coloring, overturning a popular theory in the process.

Observations using ground-penetrating radar have revealed underground features consistent with beaches on the red planet, 4 billion years ago. It's some of the best evidence to date that Mars was once ...

Online chatter and a frenzy of media coverage has tended to make a big deal of allegedly rare "planetary alignments" and "planet parades" gracing our night skies. The hoopla has culminated this ...

Mars has long been known as the Red Planet, with its fiery hue making it easily recognisable in the night sky. But what if scientists have been wrong about the reason why Mars is red? In a ...

This "Tharsis bulge" caused the planet's surface to rise, altering Mars' rotation around four billion years ago. "Because the spin axis of Mars has changed, the shape of Mars has changed. And so what ...

Mars has been known as the Red Planet for thousands of years; even the ancient Egyptians called it ‘The Red One’ (Her Desher). Now scientists think they have worked out exactly what gives our ...

The color red and the planet Mars go together like Earth and its oceans or Saturn and its rings. However, our understanding of how the Red Planet got its signature hue might be wrong. A new ...

The fourth planet from the Sun is famously a rusty red—but scientists now believe we’ve been wrong about how it got its distinct hue. The red coloration comes from iron minerals in Mars ...