Most Black Holes Might Come in Only Small and Large

Black holes are sometimes huge cosmic beasts, billions of times the mass of our sun, and sometimes petite with just a few times the sun’s mass. But do black holes also come in size medium? A new study suggests that, for the most part the answer is no.

Full Story...  hits: 1317

Cassini Images Ring Arcs Among Saturn’s Moons

NASA’s Cassini spacecraft has detected a faint, partial ring orbiting with one small moon of Saturn, and has confirmed the presence of another partial ring orbiting with a second moon. This is further evidence that most of the planet’s small, inner moons orbit within partial or complete rings.

Full Story...  hits: 1239

Spiky Probe on NASA Mars Lander Raises Vapor Quandary

A fork-like conductivity probe has sensed humidity rising and failing beside NASA’s Phoenix Mars Lander, but when stuck into the ground, its measurements so far indicate soil that is thoroughly and perplexingly dry.

Full Story...  hits: 1161

2008 Atlantic Hurricane Season Kicking Into High Gear

For the first time in the 2008 hurricane season, there were four tropical cyclones active in the Atlantic Ocean basin on one day.

Full Story...  hits: 1267

Resources Available to Educators

Check out these opportunities to receive a grant from the Air Force Association, win an award for participating in World Space Week, and receive a free preview of Space Explorers' programs.

Full Story...  hits: 1232