Fifty years ago, U.S. scientists launched a satellite that dramatically changed how we see the world.
SPACE.com invites experts in space exploration, science & technology to provide insightful commentary and informed perspective on news, current events, innovations, big ideas and ongoing research. Expert Voices includes Op-Ed analysis and opinion as well as interesting observations from the field and space exploration efforts around the world.
It has been an exciting week with the release of breathtaking photos of our universe by the James Webb Space Telescope (JWST).
In the excitement of the observatory's first images, it's easy to forget that the James Webb Space Telescope has been the subject of controversy.
Scientists who study exoplanets explain how the James Webb Space Telescope will study exoplanet atmospheres.
We honor the heroes of Apollo 11 and all those who made their accomplishment possible, yet many still deride astronauts in the U.S. private space industry.
One argument in favor of space exploration highlights benefits that help study, monitor and address serious concerns on Earth, like climate change and food production.
China is unlikely to claim control over the moon despite concerns of NASA chief Bill Nelson. Here is why.
For particle physicists, this was the end of a decades-long and hugely difficult journey and the beginning of a new era of experimental physics.
The buzz among professional astronomers has been electric since members of the Webb team shared tantalizing test images. And the real images are even better than anyone could have hoped for.
Observations across a vast range of scales are much better explained in an alternative theory of gravity requiring no invisible matter.
As Australia's space program begins to take off, parabolic flights like these will be in high demand.
By studying how flat Earthers talk about their beliefs, we can learn how they make their arguments engaging to their audience, and in turn, learn what makes disinformation spread online.
By now, most people have heard the refrain: "The Higgs boson creates mass." But the reality is a bit more complicated than that.
Let's be perfectly honest: The Higgs boson and its role in the universe are not the easiest things to explain.
The Higgs boson particle could have kept our universe from collapsing within a larger multiverse, physicists say.