Seth Shostak

The moon is covered in dust lying between four inches to a yard deep.

New video game Spore may, like "Star Trek", have significant spin-offs.

Why do many members of the UFO community feel they need to be bullies?

Could aliens be tuning into the most powerful radio transmitter on Earth?

Imagine if ET's could detect Earth's transits of the sun.

Why would extraterrestrials come here for a visit?

The new film '10,000 B.C.' gives a new look at an ancient era.

Really large transmitting antennas can bridge any distance.

A search for narrow-band signals may be a very good SETI strategy.

In 'I Am Legend,' Will Smith is back in action to save humankind from itself.

The universe is set up in a way that keeps everyone isolated.

It's a risky long shot that burns up money and might never, ever pay off.

The Allen Telescope Array (ATA) will soon go into operation in California.

'The Invasion' serves up a lumpy broth boiled from cinematic carcasses.

This month is the sixtieth anniversary of the Roswell incident.

A month ago, news washed over astrobiologists like high tide.

Astronomers have discovered a planet that might be similar to Earth.

Science, even by reputable practitioners, proceeds in fits, starts, and frequent excursions down blind alleys.

You, dear reader, are one in a thousand. The fact that you’re confronting this column on a web site devoted to space science and astronomy makes you roughly as rare as technetium.

“At what point would you abandon the search?” That’s a question I get relatively frequently from folks who think that SETI may be a It's a fair question, but why would we give up?