River lifespans revealed on Titan and ancient Mars

An ancient river delta flowing into the Jezero crater of Mars.

Mars and Saturn’s moon Titan share a common scientific interest: the two worlds boast river channels similar to those of our planet. Teyonah Parris and John Boyega on working with Jamie Foxx | io9 Interview Though Mars’ water supplies dried up long ago, Titan’s rivers of liquid methane and ethane still flow across the moon’s … Read more

Mars’ climate changed dramatically 400,000 years ago, finds Chinese rover

China’s Zhurong Mars rover has found evidence of a dramatic change in Mars’ climate 400,000 years ago, in the form of dark ridges above bright dunes rippling across the sands of Utopia Planitia, which the rover is exploring. Scientists led by Li Chunlai from the National Astronomical Observatory of the Chinese Academy of Sciences used … Read more

Mars and Venus leave the night sky this month. Here’s how to say goodbye

July marks the last month of evening visibility of two bright planets. They are: Mars, which was so bright between Thanksgiving and Christmas of 2022 and has dropped dramatically in brightness since then; and Venus, which has graced our evening sky since late autumn. Both are currently visible low near the western horizon about an … Read more

Did we find life on Mars and then wipe it out?

Life on Mars: Part of the robotic arm machine at left, with reddish rocks and sand dunes in the background.

View larger. | NASA’s Viking 1 lander took this photo of the surrounding rocks and sand dunes on May 26, 1977. The lander’s sampling arm is in the foreground, and the scoop marks in the sand are where it took samples for analysis. Both Viking 1 and 2 searched for evidence of microscopic life on … Read more

Sols 3876-3879: Bumpy Road Ahead NASA Mars Exploration

This image was taken by the Right Navigation Camera aboard NASA's Mars rover Curiosity on Sol 3874.

This image was taken by the Right Navigation Camera aboard NASA’s Mars rover Curiosity on Sol 3874 (June 30, 2023). Credits: NASA/JPL-Caltech. Download image › Earth planning date: Friday June 30, 2023 Our last evaluation period on sols 3872 and 3873 was a “touch and go” plan: some contact science and other observations, followed … Read more

Helicopter on Mars calls home after lengthy communications blackout – Spaceflight Now

Helicopter on Mars calls home after lengthy communications blackout - Spaceflight Now

NASA’s Ingenuity Mars Helicopters navigation camera captured the aircraft in the shadows during its 52nd flight on April 26, 2023. This image was finally received after Ingenuity was out of communication for 63 days. Image: NASA/JPL-Caltech. NASA engineers are preparing the miniature Mars helicopter Ingenuity for its 53rd flight to the surface of the Red … Read more