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Check out a new lunar crater

Sure, most of the moon’s craters were made billions of years ago. But – even now – the moon is still being hit by a surprising number of meteoroids.

Keep watching for Taurid fireballs

The North and South Taurid meteor showers are going on simultaneously now. They’re considered minor, but produce many fireballs, or bright meteors.

Seasonal change on Saturn’s moon Titan

As the Cassini mission to Saturn prepares for its grand finale, scientists sound nostalgic and thrilled about data on Titan’s changing seasons.

Where’s the moon? Waning crescent

A waning crescent moon is sometimes called an old moon. It’s seen in the east before dawn.

More From Latest

Tracking volcanos on Jupiter’s moon Io

Scientists used earthly telescopes to track hot spots on Io over a period of years and saw that it remains the most volcanically active world in our solar system.

Today in science: 1st photo from space

On October 24, 1946 – 70 years ago today – a movie camera on board a V-2 rocket captured the first-ever outer space photo of Earth.

How many genes to make a person?

The answer – fewer than are in a banana – has implications for the study of human health and raises questions about what generates complexity anyway.

Boom! Orbiter spies crash site on Mars

Images from space show a dark spot on Mars’ surface where none was seen before, thought to be where the Schiaparelli lander crashed on Mars last Wednesday.

Last quarter moon is October 22

Fun time to see a last quarter moon: just after it rises, shortly after midnight. Then the lighted portion points downward, to the sun below your feet.

More evidence for a 9th planet

Is a hypothetical large planet – far beyond Neptune – causing a tilt in the sun? Plus, evidence for a 9th planet based on “extreme Kuiper Belt objects.”

What is an astronomical unit?

Astronomers use astronomical units – or AU – to describe solar system distances. Definition of AU here. Also, mean distances in AU to prominent solar system objects.

Tiny tarsier is our distant cousin

This little guy looks like a big-eyed mouse, but a new genetic analysis puts tarsiers on the branch of the primate evolutionary tree that leads to great apes and humans.

Look for Orionid meteors this month

Details on the annual Orionid meteor shower. How and when to watch. In 2016, the peak mornings is October 21, but, by then, the moon will be in the way.