Expert Voices

While the Pentagon sees the Space Force as a tool to fight the last war here on Earth, its leaders must prepare for its real role in space, on the moon and beyond.

It’s hard to keep a spacecraft cool, but ongoing research on the International Space Station might yield a solution.

With NASA planning more missions to space in the future, scientists are studying how to mitigate health hazards that come with space flight.

The challenges of settling Mars stretch beyond the boundaries of rocket technology, impacting our biology and fundamentally questioning our identity as a species.

There's a slight chance Comet Nishimura might brighten unexpectedly. Astronomer Jonti Horner explains what to expect.

Caroline Herschel, the first English professional female astronomer, made contributions to astronomy that are still important to the field today.

Humans have a knack for sharing intimate moments in unlikely places...

Using the broad definition and adjusting for inflation, the relative size of the space economy fell by about one-fifth from 2012 to 2021.

Can what we learn about the metal asteroid Psyche with NASA's upcoming mission of the same name be extrapolated to solve some of the mysteries about the Earth's core?

Physicists like me don't fully understand what makes up "dark matter." Deep beneath South Dakota, we're trying to change that.

How humanity responds to the first contact with intelligent alien life could determine the very fate of our species. Here's what we can learn from history.

To find out what is beyond space, a good place to start would be to figure out where space – our universe – ends. The problem is we don't know where space ends, or even if it ends at all.

Over 100 different meteorite fragments collected by famed space rock hunter Geoffrey Notkin are currently up for bidding from Heritage Auctions.

The race is on. We are in a Sputnik moment — a sudden and important recognition that we are about to lose the heavens if we do not act with clarity and unity.

After a year without people, the sky would be bluer, the air clearer. The wind and the rain would scrub clean the surface of the Earth; all the smog and dust that humans make would be gone.

Even during times of conflict on the ground, space has historically been an arena of collaboration among nations. But trends in the past decade suggest the nature of cooperation in space is shifting.

Mathematician Per Enflo, who solved a huge chunk of the 'invariant subspaces problem' decades ago, may have just finished his work.

The European Space Agency’s (ESA) Euclid satellite completed the first part of its long journey into space on May 1, 2023, when it arrived in Florida on a boat from Italy.

AI has now spread into every field of astronomy and is helping astronomers learn more about the universe at an astonishing rate.