What’s the Best Material for a Lunar Tower?
Physical infrastructure on the Moon will be critical to any long-term human presence there as both America and China gear…
What Does a Trip to Mars Do to the Brain?
It’s not long before a conversation about space travel is likely to turn to the impact on the human body.…
Could a New Sungrazer Comet Put on a Show at the End of October?
A new sungrazing comet with potential may grace our skies in late October.
Gravitational Lens Confirms the Hubble Tension
Astronomers want new ways to measure distance in the Universe, working to calculate its rate of expansion. A new image…
Jets From Supermassive Black Holes Create New Stars Along Their Trajectory
Since the 1970s, astronomers have observed that supermassive black holes (SMBHs) reside at the centers of most massive galaxies. In…
NASA Turns Off One of Voyager 2's Science Instruments
The two Voyager spacecraft have been speeding through space since 1977, powered by decaying chunks of plutonium that produce less…
Bernard's Star Has a Planet (Again)!
The red dwarf Barnard's Star is the closest single star to the Sun, only six light-years away. Astronomers have announced…
An Earth-like Planet Around a Dead Sun Provides Some Reassurance About the Future of Earth
In about five billion years, our Sun will exit its main sequence phase and transition to its red giant phase.…
We Don’t See Many Planets in Old Triple Star Systems
Why is it important to search for exoplanets in triple star systems and how many can we find there? This…
Perseverance Finds a Strange Black-and-White Striped Rock on Mars
The hits just keep on coming from the Mars Perseverance rover. It's exploring Jezero Crater on the Red Planet, looking…