Latest about Solar System
Interstellar invader comet 3I/ATLAS made a startling transformation as it passed the sun
The interstellar comet 3I/ATLAS changed significantly as it flew by the sun last fall, astronomers have discovered.
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.
Earth Day 2026: Facts, history and ways to celebrate our planet
Reference From its 1970 origins to a global movement, Earth Day 2026 highlights the power we all have to protect our planet.
Interstellar invader 3I/ATLAS is spraying tons of water into space every second. Jupiter-bound spacecraft JUICE discovers
The Jupiter-bound spacecraft JUICE spotted the interstellar invader comet 3I/ATLAS spraying enough water into space to fill 70 swimming pools a day.
Solar wind travels up to 4 times faster than expected, eclipse spacecraft reveals
"In the inner corona, a region very difficult to observe, we saw slow solar wind gusts moving three to four times faster than expected."
The moon's oldest and darkest craters could be hiding the most water ice. That's good news for future astronauts
New research shows that craters near the moon's south pole that have been in permanent shadow the longest are more likely to contain the most water ice.
'God of Chaos' asteroid Apophis will blaze across the sky on April 13, 2029 — here's why this once-in-a-lifetime event is worth traveling for
A rare stargazing spectacle will unfold on Friday, April 13, 2029, as the asteroid Apophis passes closer than satellites over Europe and Africa in a true once-in-a-lifetime event.
Why I'm hunting for Comet PanSTARRS right now — before it's too late
A rare long-period comet is here — here's how to find comet C/2025 R3 (PanSTARRS) before sunrise this April, with key dates, viewing tips and the best mornings to look.
