Astro Bob blog: Cosmic candy wishes on Valentine's Day

I still love candy hearts. That's why I'm sending you some cosmic wishes on Valentine's Day. We'll also visit the perfect Valentine's nebula called the Rosette in the constellation of the Unicorn.

News Tribune Attic: Archive aerial images of downtown Duluth

Astro Bob blog: New Comet Bruenjes brushes the lovely dust

Venus and Jupiter make the perfect additions to the beautiful zodiacal light plus a Missouri amateur discovers a new comet.

News Tribune Attic: 15 years ago, we were paying $1.26 a gallon for gas

News Tribune Attic blog: Cotton party-line operator rings for the last time

In Garrison Keillor’s “Lake Wobegon Days,” there’s a passage that describes the fictional Minnesota town’s telephone operator, who was the go-to person to hear about news, gossip and

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Areavoices blog: Cameroon hospital helps fill enormous needs

Many orphans or children in Ngaoundere have been abandoned in some way.

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Astro Bob blog: Explore the universe from yocto to yottameters

I think you'll really enjoy the "Scale of the Universe 2", an interactive video that lets you explore the very big to very small with a flick of your finger. This new version is a must-see.

Astro Bob blog: Zodiacal light, a stellar eclipse and a moon-Saturn tryst tonight

The weird glow of comet dust towers in the western sky this evening while the moon and Saturn show off for the late night bar crowd.

Astro Bob blog: There's more to Orion than 3 stars in a row

I know you know the three stars of Orion's Belt. Now it's time to get acquainted with his hunting gear.

Astro Bob blog: Venus-Uranus closest tonight and a black hole lunches on asteroids

Tonight's the night to see the seventh planet (Uranus) with Venus as your guide. Astronomers discover the cause of mysterious flashes of X-rays from the Milky Way's black hole -- a steady diet of shredded asteroids.

News Tribune Attic: Looking back at Office Depot's brief, tumultuous foray into downtown Duluth

Astro Bob blog: Earth from afar - Tales of the Blue Marble

Ever take a self-portrait holding a camera at the end of your arm? NASA does the same in new photos of Earth taken from orbit.

News Tribune Attic: Looking back at Jim's Hamburgers restaurants in Duluth

Astro Bob blog: Venus and Uranus ride piggyback this week

Venus is amazing. You see it every evening shining brightly in the western sky. This week the planet will pass very close to distant Uranus -- through binoculars they'll look like a double planet. A must-see!

Astro Bob blog: Meet Castor, a remarkable double-double-double star

Right up near the moon tonight you'll find what looks like a single star to your eye. But of course, there's much more there than meets the eye. We take a closer look at Castor in Gemini the Twins.