In the case of Mars, its angle of rotation (referred to as its obliquity) varied between 15 degrees and 35 degrees between 2.1 million and 400,000 years ago, playing havoc with its climate. Today ...

We know that Mars was different in the past. Flowing water, abundant ice, and a denser atmosphere were the main features of the ancient Red Planet. All of that is gone, but the evidence remains.

Data from NASA's Curiosity rover collected on Mars is shedding new light on how the Red Planet became uninhabitable in the distant past due to a changing climate that caused the surface water to ...

The Gale Crater soil and rocks provide a record of Mars' climate from between 3 billion and 4 billion years ago, which is roughly the same time when life appeared on Earth.

If you buy through a BGR link, we may earn an affiliate commission, helping support our expert product labs. When you think of the surface of Mars you probably think of a dusty, largely ...

What do the clouds on Jupiter, dust storms on Mars and rainstorms on Titan all have in common? They look like they belong on ...

Overall, the study paints a picture of ancient Mars as a place where water, minerals, and environmental stability came ...

Warm, wet conditions that made Mars possibly suitable for life were wiped away by a sweeping climate shift marked by fierce volcano activity and other upheavals, an international science team ...

New study reveals the icy, cold climate of Mars' past, with implications for life A new study finds that Martian soil was frigid and icy, making it less likely to support life as we know it ...