Space
Celebrate as Voyager 1 reaches 1 light-day from Earth! Here’s how
The Voyager 1 spacecraft -- launched from Earth in 1977 -- will become the 1st human-made object to reach 1 light-day from Earth on November 18.
Space
Atmosphere of lava planet: ‘A cloudy, reflective sunscreen’
New observations of super-Earth TOI-561 b by the Webb telescope show again that the atmosphere of lava planet TOI-561 b does exist, and is very reflective.
Sun

Sun news: One year since the sun’s massive blast

Sun news November 11, 2026: One year ago today, the sun unleashed a massive blast, its third big flare in three days. Today, AR4566 stays fairly calm.
Astronomy Essentials
Tonight

Visible planets and night sky guide for November

Visible planets and night sky guide: Look for bright Jupiter and red Mars! They are getting closer each day and will appear closest together on November 15–17.
Tonight

See the Summer Triangle in the northern autumn sky

Look west in the evening to see the Summer Triangle in autumn. Its 3 bright stars - Vega, Deneb and Altair - are in 3 different constellations.
Earth

The enormous oarfish could inspire new ways to explore the ocean

The giant oarfish has a remarkable fin that could inspire quieter underwater robots and open new possibilities for ocean exploration and conservation.
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.