Expert Voices - Opinion and Insights on Space and Tech

In the 1690s, astronomer Edmund Halley had a problem.

By all accounts a total solar eclipse is a life-changing event. I wouldn't know, I've never seen one. Fortunately for me and millions across the U.S., that will change this summer.

We have historic — and surprisingly, prehistoric — records of celestial events going back thousands of years, including solar eclipses,

I suppose there is a small chance you'll miss the upcoming total solar eclipse as it crosses the United States on Aug. 21.

If the moon typically rises in the east, why will the 2017 total solar eclipse begin in the west?

Let's say you're not lucky enough to find yourself along the narrow strip of totality during the coming solar eclipse on Aug. 21. Don't feel bad — you still may get a stellar view.

Think carefully about what solar-viewing equipment you want to bring to the 2017 total solar eclipse, and what you want to leave at home.

First and foremost, it's hard to make profit in space. This is because we haven't learnt how to recycle rockets yet.

This is one of the two questions I get asked a lot (the other one is: do aliens exist?) Both are very good questions!

The announcement of the draft Spaceflight Bill in the Queen's Speech will allow the development of spaceports in the UK.

The search for life elsewhere in the universe is one of the most compelling aspects of modern science.

A well earned glass can loosen your thinking until you feel able to pierce the mysteries of life, death, love and identity. In moments like these, alcohol and the cosmic can seem intimately entwined.

Three Illinois teachers discuss strategies they used for getting students excited about the total solar eclipse on Aug. 21.

On July 19, 2013, the Cassini-Huygens mission took a composite image of Saturn's rings with Venus, Mars, Earth and the moon in the background — and people on Earth waved at the distant camera.