Astronomy & Observing News

New Chelyabinsk Results Yield Surprises

The mega-meteor that exploded over Russia last February has provided impact specialists with some surprising — and sobering — revelations.

Astronomy & Observing News

Chelyabinsk Mega-meteor: Status Report

The cosmic intruder that exploded in the sky on February 15th dropped thousands of fragments onto the snow-covered plains of south-central Russia. Here's an update on what's been found.

Astronomy & Observing News

Update on Russia's Mega-Meteor

The cosmic intruder that exploded so spectacularly over Chelyabinsk last month was a typical asteroidal fragment. Now researchers are piecing together the story of its arrival and aftermath.

Meteor trail over Chelyabinsk

Astronomy & Observing News

Info on Russian Meteor Pours In

The fireball that exploded over Russia on February 15th left more than a million square feet of damaged windows, bringing home how fragile life on Earth can be. Here's what S&T's staff has managed to piece together about what happened.

Meteorite smoke

Astronomy & Observing News

Lessons from the Russian Meteor Blast

Friday's meteorite explosion over Russia offers the strongest motivation yet for investigation of near-Earth objects.