Venus and Saturn in the dawn sky
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Hubble Space Telescope views of Uranus, Neptune
A stellar nursery in the Large Magellanic Cloud
Artist's concept of Epsilon Eridani b, one of the closest exoplanets to Earth

StarDate Radio: February 18 — Moon and Regulus

When you look into the night sky, all of those little pinpoints of light look pretty much the same....More »

Stargazing: February 17

Venus and Saturn will pass each other over the next three days. Venus is the “morning star.” Saturn, which is...More »

StarDate Radio: February 17 — Venus and Saturn

A planetary mismatch highlights the dawn sky right now, but things aren’t quite as they appear.

Venus and Saturn will...More »

Stargazing: February 16

Canis Major, the big dog, ambles across the southern sky on winter evenings. It’s easy to spot because its brightest...More »

StarDate Radio: February 16 — Bright Dog

The big dog ambles across the southern sky on winter evenings. It’s easy to spot because its brightest star is...More »

Stargazing: February 15

The Big Dipper wheels high across the north on winter nights. It is low in the northeast in early evening,...More »

StarDate Radio: February 15 — Supernova vs. Megalodon

It sounds more like bad science fiction than real science: Radiation from an exploding star kills off the biggest shark...More »

StarDate Radio: February 14 — Mergers

Galaxies are like businesses: They grow bigger through mergers, with the big guys gobbling up the smaller ones.

Our home...More »

Stargazing: February 14

The southern sky features several feeble constellations created in the 1750s by French astronomer Nicolaus de Lacaille. As night falls,...More »

StarDate Radio: February 13 — Moon and Aldebaran

Every star sits at the middle of its own “bubble” — a region of space dominated by the star’s magnetic...More »

Stargazing: February 13

Aldebaran, the bright star that represents the “eye” of Taurus, the bull, lurks quite close to the Moon tonight. Aldebaran...More »

Stargazing: February 12

A wave of starbirth has rolled across a giant cloud of gas and dust in Monoceros, the unicorn. Known as...More »

StarDate Radio: February 12 — More Monoceros

A wave of starbirth has rolled across a massive cloud of gas and dust in Monoceros, the unicorn. It started...More »

Current Magazine

cover of March/April issue

As the work of Kepler space telescope comes to a close, we'll tell you about the planet-hunting satellite's accomplishments and fill you in on its successors. We'll also introduce you to a quartet of women astronomers from antiquity.

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