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During these next two weeks we will be presented with an excellent opportunity to view Mercury in the early morning dawn sky.

The biggest and brightest man-made object orbiting Earth just got bigger and brighter. Try spotting it from home.

Pinpointing old spacecraft and artificial impact craters is not only a curatorial courtesy, but also can generate important science.

The Stardust sample return capsule nose dives back to Earth this week.

What you'll need to find the comet, after NASA smashes a spacecraft into it and it brightens significantly in the night sky.

The challenge highlights the difficulty professional astronomers faced many decades ago when trying to find the elusive world in the first place.

The largest asteroid ever known to pass near Earth is making a close celestial brush with the planet this week in an event that professional and backyard astronomers are watching closely.