Light can travel for billions of years yet experience no time
A photon emitted from a star a billion light-years away arrives at a telescope having experienced no time…
Planetary scientists reveal where Earth’s water and building blocks came from
For years, planetary scientists have argued that some of the material that built Earth must have drifted in…
Four-legged robots look to speed up Mars and Moon exploration
The slowest part of a Mars mission is often not the driving, it is the waiting. A rover…
Groundbreaking new theory rewrites quantum view of the Big Bang
A Gravity Theory That Could Rewrite the Universe’s First Moments The first fraction of a second after the…
Astrophysicists are close to proving the existence of primordial black holes
On November 12, 2025, a ripple passed through the fabric of spacetime and triggered alarms at three gravitational-wave…
The physics of no return: What actually happens if you get pulled into a black hole
In 1916, only a year after Albert Einstein had published his general theory of relativity, Karl Schwarzschild used…
America’s nuclear spacecraft is heading to Mars, and it’s bringing helicopters
For decades, nuclear propulsion has been a fixture of aerospace engineering proposals and government studies, always promising, never…
Getting pregnant in space isn’t that easy, study finds
Getting to Mars is difficult. Conceiving a child there could be even tougher than expected. A recent study…
Lightning bolts on Jupiter are up to 100 times stronger than Earth’s
On Jupiter, a storm doesn’t just brew, it can simmer for centuries. The planet’s atmosphere is a perpetual…
Darkness can move faster than light without breaking relativity
A dark point inside a wave of light sounds like a contradiction. It is also something researchers say…
Distance in space is an illusion
Andromeda sounds far away because 2.5 million light-years sounds far away. It lands with authority. It feels exact.…
Gamma Cassiopeiae may be hiding a magnetic white dwarf companion
Visible without a telescope, γ Cassiopeiae has stood out for decades because it behaves unlike an ordinary massive…