Sun
Sun news: Auroras continue! More tonight at northern U.S. latitudes?
Sun news November 9, 2026: Fast solar wind topped 800 km/s, keeping G1 storms going. AR4566 fired another M flare. Auroras possible tonight!
Human World
Space
Carl Sagan born 92 years ago today
Carl Sagan was born on November 9, 1934. He contributed to science and helped millions around the globe see why astronomy matters.
Space

Backward world? Rubin finds a retrograde object past Neptune

The Rubin Observatory in Chile has discovered a retrograde object in our solar system. It circles the sun in a highly inclined orbit beyond Neptune.
Moon Phases

Do we all see the same moon phase from Earth?

No matter where you are on Earth, we all see the same moon phase. So why can the moon look tilted, or even upside down, depending on where you are?
Space

Active volcanoes on Mars? Noxious gas discovery says — maybe

Are there still active volcanoes on Mars? New detections of hydrogen chloride from below the surface suggest flowing magma.
Earth

Traces of dinosaur blood found for the 1st time?

For the 1st time, scientists say they've found traces of dinosaur blood. It comes from a 115-million-year-old fossil dinosaur bone from Brazil.
Constellations

The constellation Andromeda the Chained Lady

The constellation Andromeda the Chained Lady is most famous for containing M31, the Andromeda Galaxy, the closest large spiral galaxy to the Milky Way.
Space

Hera mission begins asteroid defense investigation: 1st closeup views!

The Hera mission just got its 1st closeup view of Didymos and its little moonlet Dimorphos. Soon it will begin investigating the aftermath of the DART impact.
Space

Swift spacecraft fell back to Earth in a fiery blaze

The Swift spacecraft fell back to Earth as a fiery streak of light on November 4. See videos here of its blazing reentry into Earth's atmosphere.
Space
Spaceflight

ESCAPADE mission to fly past Earth twice in 2 days

On November 7 and 9, 2026, the twin probes of the ESCAPADE mission — first Blue and then Gold — will perform flybys of Earth on the way to Mars.