Latest about expert voices
The frontier culture of space will enhance and revitalize the concept of family, even as it has seemed to fade in the societies that are launching this new era.
Earth may have gotten some of its water from 'dark comets,' and the forthcoming Vera C. Rubin Observatory could uncover key clues about these mysterious cosmic bodies.
The coming settlement of the High Frontier doesn’t have to be a repeat of the violent conquests and colonization of history. We will not take space from anyone, and we can give it to everyone.
The U.S. could lose its decades-old leadership in space exploration and technology to China.
With JWST and other telescopes, we now have the tools to tell the difference between an intelligent visitor and an interstellar 'dark comet' like 'Oumuamua. Let's not get fooled.
Humanity is headed back to the moon. We shouldn't make the same mistakes there that we have made here on Earth.
The impact of Apollo 8's "Earthrise" picture – the sight of the Earth from the moon – now seems even greater than that of the first landing.
I use moon and Mars rocks in my teaching and have a modest collection of meteorites. I marvel at the fact that I can hold in my hand something that is billions of years old from billions of miles away.
What astronomers can measure using telescopes is not what we really want to know – instead, we calculate the properties we're interested in studying by observing and interpreting apparent properties from afar.