Ira Sprague Bowen
/
RSS Feed
There was something odd about the Cat’s Eye Nebula — a colorful bubble of gas blown by a dying star. […]
Winter Solstice
/
RSS Feed
Winter arrives in the northern hemisphere tomorrow night. That’s the time of the winter solstice. Tomorrow and Friday will be
Unexpected Galaxies
/
RSS Feed
Scientists often say they hope their experiments produce unexpected results, because that gives them something new to think about. If
Last Batch
/
RSS Feed
Webb Space Telescope is getting ready to wrap up an ambitious early project: Cosmos-Web — the Cosmic Evolution Survey. It’s
Moon and Saturn
/
RSS Feed
It’s a long time between birthdays on Saturn. That’s because a year on the giant planet lasts about 29 and
Sweeping Up
/
RSS Feed
Canterbury Cathedral is one of the most historic buildings in England. That history isn’t limited to assassination, civil war, and
Gomeisa
/
RSS Feed
Our sedate, middle-aged Sun spins on its axis about once a month. This leisurely rate keeps the Sun nice and
Mirzam
/
RSS Feed
The Big Dog trots across the southern sky on December nights. It’s easy to spot because it’s home to Sirius,
Sirius Rising
/
RSS Feed
The brightest star in all the night sky is clawing its way into prime-time viewing. Sirius is low in the
Winter Milky Way
/
RSS Feed
Our solar system resides in a giant spiral galaxy — the Milky Way. It’s a thin disk more than a