
Astronomy in Space with David Dickinson
First Inter-Venusian Asteroid Hints at a New Population
The discovery of an asteroid inside Venus's orbit might be the first of a new population within the inner solar system.

Where Did Earth’s Trojans Go? Ask the Moon
Why doesn't Earth have Trojan asteroids of its own? Large impacts in the early years of the solar system may be to blame.

Watch an Asteroid Race Across the Sky
The kilometer-wide, potentially hazardous asteroid 1994 PC1 will fly past Earth on January 18th. Good news on two counts: It won't hit us, and it's bright enough to see in a 4-inch telescope.

Tiny Asteroid Flora and Mighty Uranus Team Up
Both Uranus and the asteroid 8 Flora came to opposition on Halloween. Catch them both in the same corner of the sky the next clear night.

Astronomy in Space with David Dickinson
Amateur Astronomer Finds Kilometer-size Asteroid
A grant from the Planetary Society enabled an amateur astronomer's discovery of kilometer-size asteroid 2020 QU6.

Potential New Targets for Japan's Hayabusa 2 Mission
The Hayabusa 2 team has laid out a proposal for an extended mission to one of two asteroids after the spacecraft's sample return this December.

Exploring Links Between Nearby Asteroids
In preparation for the launch of Destiny+, a new study reveals that two near-Earth asteroids may share the same parent.

Chase a Potentially Hazardous Asteroid As It Flies by Earth
Break out your binoculars or a small telescope, we've got a busy week ahead! Watch as a bright asteroid approaches Earth, the Moon steals a star, and Comet ATLAS's last hurrah.

Earth Has A Mini-Moon — But Not for Long!
Two astronomers discovered a temporary mini-moon captured by Earth — but it's about to win its freedom.

Pop in on Pallas and Iris Tonight
Break out your binoculars or telescope the next clear night for a peek at the bright asteroids Pallas and Iris, both at opposition this spring.

Paintballs Clarify What Happens When an Asteroid Hits Earth’s Ocean
Coastal waves from mid-sized asteroid impacts might be more like a storm surge than a wall of watery destruction, according to NASA experiments with paintballs.

Trojan Asteroids Are in a Class of Their Own
Hordes of debris trapped by Jupiter and Neptune have distinct colors that mark them as possibly the last remnants of the material that built the giant planets.

Explore the Night with Bob King
Asteroid 2018 LA Explodes Over Botswana Hours After Discovery
Don't look now — it's already gone! Asteroid 2018 LA screeched into Earth's atmosphere only 7 hours after its discovery to create a Sun-bright spectacle over South Africa and Botswana.

Asteroid 2018 CB Zips by Earth Friday: Watch it Online
Newly-discovered asteroid 2018 CB will be passing only about 44,000 miles away Friday and visible in modest telescopes.

Explore the Night with Bob King
Asteroid 3200 Phaethon: Geminid Parent at Its Closest and Brightest!
The parent asteroid of next month's Geminid meteor shower, 3200 Phaethon, is about to make a historically close flyby. Get ready to watch it race across the sky.

Explore the Night with Bob King
Asteroid Florence Pays Earth a Visit
Florence, one of the largest Earth-approaching asteroids, gets close enough to see in a small telescope this week and next. Here's how to find it.

See a Potentially Hazardous Asteroid From Your Backyard
Get ready for 2014 JO25, the biggest asteroid to fly this close to Earth since 2004. Good news — even a 3-inch telescope will show it! Update: See below for a radar image and animation of 2014 JO25 captured by NASA's Goldstone Solar System Radar on April 18, 2017. Every week, a…

See Icarus Wing By Earth This Week
It's no myth. Icarus makes a rare flyby of Earth this week. Here's how to see it in your telescope and live online.