Is Mars Really Red? A Physicist Explains the Truth.

Is Mars really red? A physicist explains the truth.

Mars isn't a bright, fire-engine red, but the iron oxide in its rocks makes it appear redder than other planets, especially from afar.

Astronomers Found a Volcano Hiding in Plain Sight on Mars

It's not active now, and it hasn't been active for some time, but it's a volcano.

NASA captures image of Mars’ Arsia Mons volcano

This is a common feature at this time of the Martian year, when the Red Planet is at its farthest point from the Sun in its slightly elliptical orbit, the publication reports. Arsia Mons, currently dormant and standing more than 20 kilometers tall, is a colossal volcano located near Mars’ equator, within the region known as Tharsis, and extending some 435 kilometers in diameter. According to NASA, this area is usually surrounded by clouds of wat…

NASA's Mars Odyssey Probe Captures a Giant Volcano Surrounded by Clouds of Water Ice on Mars

Arsia Mons, an ancient Martian volcano, was captured surrounded by ice clouds before dawn on May 2, 2025, by NASA's 2001 Mars Odyssey probe as the spacecraft studied the Red Planet's atmosphere.NASA’s Mars Odyssey probe captures a volcano surrounded by water ice clouds on Mars. Credit: NASA/JPL-CaltechA new panoramic view from NASA’s Mars Odyssey orbiter, launched in 2001, shows one of the largest volcanoes on the Red Planet, Arsia Mons, peeking…