Latest about Solar System
50 years after Viking 1's historic Mars landing, NASA is looking to the Red Planet's skies
NASA's Viking 1 mission blazed a crucial trail with its Mars landing on July 20, 1976. Now, half a century later, that trail leads up into the Red Planet's skies.
Ancient sandstorm leaves behind wreckage on Mars | Space photo of the day for July 20, 2026
Remnants from Martian history stay scattered across the planet's surface.
Did Viking 1 find life on Mars 50 years ago? Here's why the debate continues
Did Viking 1 find evidence of life on Mars? Fifty years after the NASA lander touched down, the jury is still out.
What is the moon phase today? Lunar phases 2026
Reference See what moon phase it is tonight and find out when you can see the rest of the moon phases for 2026.
These 'metallic' dunes on Mars look like sci-fi. What are they really?
New images from the European Space Agency's Mars Express orbiter have captured strange-looking waves on the Red Planet.
Smoke from devastating Canada wildfires visible from space | Space photo of the day for July 17, 2026
Satellites have captured images of the billowing smoke.
Are we underestimating the threat of solar storms? A 'once-in-a-thousand-year' disaster is worth considering, scientists say
A new study suggests the most extreme solar storms to strike Earth could have greater impacts on satellites, power grids and communications than previously thought.
Astronomers discover landslides on Pluto large enough to bury entire cities on Earth
Evidence for landslides down steep crater walls on Pluto have been found in imagery from NASA's New Horizons mission.
