Expert Voices

As entrepreneurs spend billions on space, there is a backlash building that holds their projects as icons of extravagance, even as they may help save the Earth. This is the "Elysium effect."

Physicists suggest harnessing the gravitational pull of black holes to create ferocious particle accelerators. The trick? Carefully set everything up so the particles don't get lost forever.

Only eight countries have signed the Artemis Accords, a set of guidelines surrounding the Artemis Program for crewed exploration of the moon.

Black holes are perhaps the most mysterious objects in nature.

Meet OrganiCam, an instrument that could detect biological molecules on other worlds.

A recent survey sheds some light on what the mighty Aztecs thought about the rare and wonderful solar eclipses.

Of all the rocky, inner worlds of the solar system, Venus is the most challenging to explore.

Physicists have found a new paradox in quantum mechanics that throws doubt on some common-sense ideas about physical reality.

In many ways, Venus shows us an Earth that could have been; the twin that grew up in a different environment.

All you need is some string.

Dark energy is one of the greatest mysteries in science today.

Next spring is going to be a busy time for Mars.

While some hazards of spaceflight and the space environment — like G-forces, radiation, vibration and microgravity — are well documented, many risks remain unknown.

Our new study, published in Nature Communications, has uncovered some answers.

Surgical emergencies are in fact one of the main challenges when it comes to human space travel.

When room and supplies are limited — like during space travel — you need to optimize for a different set of goals to meet the needs of the people you are trying to feed.

Neowise is the first bright comet to be visible with the naked eye from the northern hemisphere since the mid-1990s.

The concept for the Hope mission arose from a quest to fundamentally redirect a nation's trajectory.

In the year that is 2020, #WhyPersevere? Janet Ivey, President, of Explore Mars and creator of Janet's Planet, shares her reasons why Perseverance is exactly what we need now more than ever.