Astro Bob

Astro Bob

The smallest, swiftest planet puts on a fine show the next couple weeks.

Astro Bob

Astro Bob: Aurora alert Monday night Oct. 3

Solar blasts are expected to arrive Monday evening and last through Tuesday. To help plan, we've got tips on aurora apps for your phone.

October 03, 2022 02:10 PM

Astro Bob

Astro Bob: Bones of a Galaxy / Spectacular DART impact photos, video

New Webb images reveal a galaxy's dusty skeleton. DART's target Dimorphos has grown a tail!

October 02, 2022 01:53 PM

Astro Bob

Astro Bob: Jupiter absolutely dazzles this fall

The solar system's largest planet really wants your attention.

September 28, 2022 02:05 PM

Latest Headlines

Astro Bob

Astro Bob: Night of the bloody red arc / Bullseye for DART!

Monday night's aurora displayed a rare, deep-red SAR arc. We also recap NASA's successful mission to nudge an asteroid.

September 27, 2022 03:20 PM

By Bob King

Astro Bob

Astro Bob: NASA's DART probe to slam into asteroid Monday

Scientists will test one way we might defend our planet from a future asteroid impact. Here's how to watch it live.

September 25, 2022 11:46 PM

By Bob King

Astro Bob

Astro Bob: Webb wows with first Neptune photo / Aurora alert

NASA's flagship infrared telescope captures an amazing view of Neptune's rings. Watch for aurora on Thursday, Sept. 22.

September 21, 2022 01:26 PM

By Bob King

Astro Bob

Astro Bob: Red eyes of Taurus are upon us!

Mars is really getting bright. For the next few nights, it lines up with Aldebaran in Taurus the Bull and 'looks' straight at us.

September 20, 2022 04:33 PM

By Bob King

Astro Bob

Astro Bob: Listen to space rocks hit Mars

NASA's InSight lander has detected several meteoroid impacts, one of which left a string of craters and a big "bloop-bloop!"

September 19, 2022 05:02 PM

By Bob King

Astro Bob

Astro Bob: Spot the space station at dusk, Tiangong at dawn

The International Space Station begins a new round of easy-to-see passes, while early risers can catch China's Tiangong space station. We also take a whirlwind tour of Earth's atmosphere.

September 14, 2022 01:07 PM

By Bob King

Astro Bob

Astro Bob: Jupiter-moon mash-up / BlueWalker 3 stalks the sky

We anticipate the moon's next move and learn about a new satellite constellation that may significantly alter our experience of the night sky.

September 11, 2022 03:57 PM

By Bob King

Astro Bob

Astro Bob: Here comes the Harvest Moon

This weekend's special moon brings a double dose of light to the ever-lengthening night.

September 08, 2022 01:47 PM

By Bob King

Astro Bob

Astro Bob: Cosmic tarantula caught in NASA's Webb

A Webb's-eye view of newborn suns in one of the largest stellar nurseries known.

September 06, 2022 01:30 PM

By Bob King