Expert Voices: Op Ed & Insights
Join our Space Forums to keep talking space on the latest missions, night sky and more! And if you have a news tip, correction or comment, let us know at: community@space.com.
Latest about expert voices
![a metal dome seen on a reddish rocky surface](https://cdn.mos.cms.futurecdn.net/5kaJZaqFtLLGCvvVNwAQWP-320-80.jpg)
For the 1st time, Mars robots found meteorite impact craters by sensing seismic shock waves
By Katarina Miljkovic published
In new research, we used data from InSight to detect and locate four high-speed meteoroid collisions, and then tracked down the resulting craters.
![an orange cloud across the bottom of image with blue starry background above](https://cdn.mos.cms.futurecdn.net/BouFNXmVKG8TDuyv3Gmhzg-320-80.jpeg)
How massive stars steal planets
By Richard Parker published
Our new paper shows how massive stars in such stellar nurseries can steal exoplanets away from each other — and what the signs of such theft are.
![astronaut holding a long structure over cloudy Earth](https://cdn.mos.cms.futurecdn.net/oaJsByUqZs56ABkUJghd7j-320-80.jpeg)
Pregnancy in space: Studying stem cells in zero gravity may determine whether it's safe
By Joanna Bridger, Emmanouil Karteris published
![An artist's illustration of a super-Earth with liquid water and white clouds.](https://cdn.mos.cms.futurecdn.net/rsFMsCokg3AhtSfskAoH3T-320-80.jpeg)
Super-Earths are more common and more habitable than Earth. Astronomers are finding more of the billions out there.
By Chris Impey published
Astronomers now routinely discover planets orbiting stars outside of the solar system — they're called exoplanets.
![Milky Way Fermi Bubbles extending above and below the Milky Way](https://cdn.mos.cms.futurecdn.net/kAWiTrUozCK2e4EMYZBVhm-320-80.jpeg)
Gamma rays from a dwarf galaxy solve an astronomical puzzle
By Roland Crocker published
A glowing blob known as "the cocoon" has puzzled astronomers since it was discovered in 2012.
![starry night sky spiraling into bright center](https://cdn.mos.cms.futurecdn.net/LY69LTfomdifnFHYVBLtdA-320-80.jpg)
What are wormholes? An astrophysicist explains these shortcuts through space-time
By Dejan Stojkovic published
A wormhole is like a tunnel between two distant points in our universe that cuts the travel time from one point to the other.
![shiny object on dark reddish surface](https://cdn.mos.cms.futurecdn.net/eUfjcyKmqdBBtUJxtA8GGS-320-80.jpeg)
Mars is littered with 15,694 pounds of human trash from 50 years of robotic exploration
By Cagri Kilic published
![The spiral galaxy M74 imaged by the NASA/ESA JWST.](https://cdn.mos.cms.futurecdn.net/dxJz3eA23bDoSgLvt7yTx9-320-80.jpeg)
The Drake equation for alien intelligence is more important than ever
By David Rothery published
In 1961, the US astrophysicist Frank Drake, who passed away on Sept. 2 at the age of 92, came up with an equation to estimate the number of intelligent civilizations in the Milky Way right now.
![Four images of an alien planet in blue, red, purple and yellow colors](https://cdn.mos.cms.futurecdn.net/AfEQGnaQJ6xYidn89EMo6E-320-80.jpeg)
The James Webb Space Telescope has released its very first exoplanet image – here's what we can learn from it
By Jonti Horner published
The new images reveal JWST will be a fantastic tool for astronomers aiming to improve their knowledge of exoplanets.
![the silhouette of a space shuttle against earth's atmosphere in twilight](https://cdn.mos.cms.futurecdn.net/NxYYnZQksTmYPWMfo8sFTa-320-80.jpeg)
Outer space is not the 'Wild West': There are clear rules for peace and war
By Kuan-Wei Chen, Bayar Goswami, Ram S. Jakhu, Steven Freeland published
Our increasing reliance on space infrastructure makes modern economies increasingly vulnerable to the impacts of accidents and unlawful or irresponsible acts in space.
Get the Space.com Newsletter
Breaking space news, the latest updates on rocket launches, skywatching events and more!