The Space Foundation's 40th Space Symposium got underway with space history lighting up the night sky over Colorado Springs.

U.S. race to put an astronaut on the Moon. But a few hundred years before, the space race was all about Venus. About twice every century we here on Earth get to see Venus pass in the front of the Sun.

When the pair finally returned home in March, the astronauts had completed 286 consecutive days in space. But while that unexpectedly long duration sounds like a lot, it's totally normal for ...

The mission is bold: send humans on space missions, and use the medical ... with a 18- month long flight to Mars and Venus scheduled for 2033 to 2035, according to a BioAstra proposal.

While this weekend's event isn't much of a visual spectacle, scientists say it's an opportunity to track how the planets shift in space. “Get a chance to get to know Venus,” said Nichols.