Sometimes a good idea takes some tinkering. You have a thought that it will work, but what it really requires…
Billions of years ago, so the theory goes, a Mars-sized body (sometimes called "Theia") smashed into our young planet and…
Some terms in astronomy definitely have a PR problem, and are perhaps due for an overhaul. One such awkward term…
If you're a fan of moon observation, it's lucky for you that spacecraft such as the Lunar Reconnaissance Orbiter exist.…
If the hoped-for meteor blast materializes this Friday night / Saturday morning (May 23-24) Earth won't be the only world getting…
Observers in Australia and New Zealand had a special treat this week: watching Saturn disappear behind the Moon during an…
Where did Mars' moons Phobos and Deimos come from? How did they end up in orbit around Mars? This cool…
Funny thing. Skywatchers are often just as excited to watch a celestial object disappear as we are to see it make an…
That’s Earth. That’s us. Way off in the distance as a fairly small, blue and swirly white sphere. This is…
Striking a Buzz Lightyear-like pose above is the winning design for NASA's Z-2 spacesuit prototype. The version, called "technology", was…