Latest about Solar System
On this day in space: Jan. 5, 2005: Discovery of Eris ignites Pluto-planet debate
On Jan. 5, 2005, astronomers at NASA discovered Eris, the second-largest dwarf planet in the solar system.
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.
Moon rush: These private spacecraft will attempt lunar landings in 2026
Lunar landers from Blue Origin, Firefly Aerospace, Intuitive Machines and Astrobotic are gearing up for moon landing attempts in 2026 as the commercial exploration of deep space expands.
Nature carves colossal snowman in Siberia | Space photo of the day for Jan. 2, 2026
Do you want to build a snowman?
Full moon names 2026 (and how they came to be)
Reference The full moon names for each month, why they're named so and what we can expect from these lunar events.
Will Comet C/2025 R3 (PanSTARRS) be the 'great comet' of 2026?
In late April 2026, a long-period comet will swing through the inner solar system. It will likely be visible with binoculars, and there's a small chance it could be seen with the naked eye.
Space Force shows off snowy new Alaska radar post | Space photo of the day for Jan. 1, 2026
"I am the watcher on the walls."
The race to mine the moon is on – and it urgently needs some clear international rules
There are billions of dollars in it for companies able to kickstart mining operations, even if such returns are still years away.
