Even though Venus moves between the Earth and sun every 19.5 months, it becomes visible after sunset and before sunrise only ...

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.

On the solid surface of a rocky planet like Venus, the gas would be quickly destroyed before making it to the interior. “This could be unknown photochemistry or geochemistry, or possible life, ...

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 ...