A lab experiment has all but nixed one of the theories of dark energy, a mysterious force pushing the universe apart.
Planetary scientists have discovered an ancient lakebed on Mars that dates back to around the time when the Red Planet dried up.
Astronomers have discovered that a nearby double-galaxy system has a giant, star-studded ring.
Have you spotted Mars and Venus yet? They’re coming up into the dawn, beginning long and exciting apparitions. And on Monday, Neptune is at opposition.
Dozens of solar specialists are coordinating outreach activities for a coast-to-coast total solar eclipse that’s only two years away.
Neptune reaches opposition next week, giving amateurs the chance to track its unique, backwards-orbiting moon Triton.
Pictures are great, but there’s nothing like holding another world in your hands to appreciate its unique characteristics. (And if you hurry, you can get these at a great deal! Sale ends Friday night at midnight Mountain Time.)