SAN FRANCISCO -- Venus and Mars, planet Earth's two closest neighbors, have been inching ever closer to each other during the month of July. Monday night, they promise to put on a show, appearing at ...

While volcanoes have brought profound changes to landscapes here on Earth, volcanic activity on other planets and moons has followed a different path. It's easy to imagine space volcanoes as even more ...

In the depth of winter, a sweeping view of our solar system will glow in the night sky. In total six planets will be visible, four of them to the naked eye - Venus, Mars, Jupiter, and Saturn.VIDEO ...

Our neighboring planets are not exactly the most hospitable places. Humans have been talking about space colonization for quite some time, but our neighboring planets are not exactly the most ...

With our free press under threat and federal funding for public media gone, your support matters more than ever. Help keep the LAist newsroom strong, become a monthly member or increase your support ...

Like a celestial parade across the cosmos, five bright planets are lighting up the night sky and visible with the naked eye all February long — with two other planets also detectable for skywatchers ...

Stargazers will have the opportunity to view as many as seven planets in the night sky this month during an event that's sometimes called a "parade of planets" because the celestial bodies appear to ...

Mars and Venus once had oceans and atmospheres, and if still habitable, humans could have colonized multiple planets and ...

Mars is a cold, dry, desert-like planet. But billions of years ago, scientific evidence suggests that it had a thick ...

Over the next few weeks, a stunning parade of planets will glow across the night sky, putting on a celestial spectacle that both amateur and seasoned stargazers can easily observe. All month, four ...