If we were to wind the clock back some 4.5 billion years ago, to the early days of our Solar System, we would have seen a young, G-class star with four rocky worlds interior to our asteroid belt.

It may not have taken much in the early solar system to set Earth and Venus on very different paths, according to researchers. A new paper points the way toward what scientists should consider as ...

Measurements taken at Earth's neighbors, Mars and Venus, show the battle between high-energy cosmic rays from beyond the solar system and the influence of the sun in the inner solar system.

Two deep-space probes will make flybys of Venus within 30 hours of each other on their way to the inner reaches of the solar system next week. On August 9, the Solar Orbiter will pass by the ...

The ESA-NASA Solar Orbiter probe is quite busy on its way to the Sun. Space.com notes the spacecraft has completed its first flyby of Venus, collecting info about the hellish planet as it swung by ...

Two probes — BepiColombo, headed to Mercury, and Solar Orbiter, en route to the sun — recently passed by Venus at nearly the same time, visiting Earth's sister planet within a day of each ...

New movies of the transit of Venus on June 6, 2012, viewed from two different locations on Earth, clearly show the parallax effects that have made Venus transits so important historically. The ...