Mars’ Jezero Crater holds signs of ancient water and strange mineral reactions, some linked with organic compounds. With Perseverance’s samples and AI-refined mineral maps, scientists are closing in on whether Mars once had the chemistry needed for life.

NASA's Mars rover Perseverance has uncovered rocks in a dry river channel that may hold potential signs of ancient microscopic life.

Prize: NASA could offer a prize—say $3 billion to the first company and $1 billion to a second company—for delivering something like 1 kg of Mars rocks and soil back to Earth. NASA has used prizes very sparingly in the past, but this option could appeal to the Trump administration as it would require very little funding up front.

Mars transit 2025 begins on September 13 in Libra. Here's how Mangal Gochar will affect each zodiac sign and the remedies to reduce inauspicious effects.

Astronomers have struggled to explain why a long and thin cloud forms above Mars’s Arsia Mons volcano each year, until now

On the Red Planet, aurorae glow green because the charged particles collide with oxygen atoms high above Mars. They may be bright enough that astronauts on Mars could spot them with their naked eye. Here on Earth, it’s usually helpful to have a telescope or even a phone camera filter to really see the aurora.