A Radio Flare from Colliding Stars?
A new study presents signs of what may be a decades-old merger of two neutron stars.
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Nugget Galaxies Cross in the Sky
Seeing quadruple? Scientists have discovered two new Einstein crosses, rare phenomena in which a distant object appears as four identical copies.
Letting Lithium Live It Up
Some stars appear to accumulate lithium on their surfaces as they age. What could be causing this enrichment?
A Companion for Regulus
A new study may have revealed a previously undetected partner in a nearby stellar dance.
The Eventual Fate of Our Solar System
Do you ever wonder how our solar system’s going to end? You’re not the only one — and a team of scientists has now explored this question in detail.
A Terrestrial-Mass Planet on the Run?
A recent study has identified what may be the first terrestrial-mass rogue world we’ve spotted drifting through the galaxy.
Making Waves on the Sun
Sinuous, undulating waves in the Earth’s atmosphere play a large role in driving the weather patterns on our planet. Is this also happening on the Sun?
ASKAP Finds a Real-Time Radio Burst, but No Glow
ASKAP is on the hunt for emission before and after a fast radio burst — which may prove key to unraveling the mystery of these explosions’ origins.
Climate Stabilization on Distant Worlds
Scientists explore whether a world covered in water can keep its climate as stable long-term as an Earth-like, continental world can.
Seeing Cepheids in the X-Ray
Unexpected X-ray emission has been observed in some variable stars when they’re at their largest size. What could be the cause?