Mars is within 5 degrees of Mercury from Oct. 12 through Oct. 29, but is much fainter. On the evening of Oct. 19, the two planets will appear closest together, just 2 degrees apart. About 30 minutes ...

The month is packed with skywatching highlights—including two galaxies visible to the naked eye and a rare glimpse of the ...

HOUSTON, Texas (KTRK) -- Spring begins March 20, and you may have some warmer nights to get outside to stargaze. Here are a few astronomical highlights during March. On the evening of March 1, Venus ...

The moon-planet-star trio are among the brightest objects in our solar system, meaning the impending conjunction should be incredibly easy to spot. A conjunction is an astronomical event in which at ...

The Orionids are thought to be one of the most impressive meteor displays. Visible from early October to early November, it ...

Reanalysis of NASA's Pioneer Venus mission data reveals that Earth's twin contains 62% water in hydrated compounds.