How can we successfully collect and return samples from Mercury and Venus to Earth? This is what a recent study presented at ...

Four of Earth’s neighbors are about to appear in a planetary alignment. Those four planets — Mercury, Venus, Neptune and ...

April’s planetary parade has fewer planets. Only four will line up: Venus, Saturn, Mercury and Neptune. April's parade of ...

Its proximity to Earth – about 50 to 70 million kilometers from mid to late April – means we catch more of its light, so it ...

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

Venus is the hottest planet in the solar system due to its thick carbon dioxide atmosphere, trapping heat as part of a ...

"What surprised us, at the end, was how effective this type of impact could be in explaining Mercury's unusual structure ...