Some lucky stargazers could have a double feature of the planet Venus this weekend. On Saturday and Sunday, the Earth will have an inferior conjunction (closest approach) with Venus, the sixth ...

Venus—a hot planet pocked with tens of thousands of volcanoes—may be even more geologically active near its surface than ...

What drives us to send probes throughout the solar system and rovers and landers to Mars? It's not cheap, and it's not easy.

Our planet's closest and brightest neighbor will pass approximately between the Earth and sun this week, in what's called an ...

The orbit Venus takes around the sun periodically results in a phenomenon astronomers refer to as an inferior conjunction, which occurs when the planet transitions from appearing in the evening ...