Life Beyond the Habitable Zone
Can radioactive decay keep a planet warm enough that it could host liquid water — and life — even outside of its star’s habitable zone?
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Looking at the Insides of Stars
Planet-finding missions don’t just help us discover new planets — they can also be used to study internal motions in stars!
Exploring a Cluster’s Stragglers
Why are some cluster stars unusually bright and blue? A closer look at the Collinder 261 open cluster sheds some light on these straggling members.
Gravitational Waves After Galaxy Collisions
Collisions of tiny galaxies may be responsible for forming the black-hole binaries that we’ve recently seen merge.
Exploring Our Star with SunPy
How can solar physicists analyze their mountains of observational data? A new Python-based software package may help.
ALMA Explores Possible Interacting Twin Disks
Why do many young stars undergo bright outbursts? New observations of a flaring system may provide an answer.
Making Stars at the Beginning of the Universe
What were the first galaxies up to? New radio observations tell us about star formation when the universe was only a billion years old.
A Pulsed Discovery in Omega Centauri
A recent study has unveiled a new discovery at the heart of globular cluster Omega Centauri: five long-anticipated pulsars.
Early Results from Parker Solar Probe
The Parker Solar Probe has already flown closer to the Sun than any other spacecraft ever has. What have we learned from early observations?
A Detailed View of Our Second Interstellar Visitor
What do we know about the second object to visit us from another stellar system? Detailed Hubble images have given us plenty to consider!