Imagine waking up one morning to the news: a black hole is drifting close to our solar system. It sounds like the plot of a .

The most incomprehensible thing about the universe is that it is comprehensible,” Albert Einstein once pondered. But even as ...

At cosmological scales, Albert Einstein’s theory of general relativity has given scientists an immensely accurate blueprint ...

Particles orbiting a black hole could collide at colossal energies, generating collision products that may offer valuable ...

Gravitational waves stretch and squeeze the fabric of space and time itself. When space/time is squeezed, pulsar pulses ...

NASA, ESA, and ground observatories have detected powerful space explosions caused by black holes tearing apart massive stars ...

Imagine if a species grew up on a planet that had a black hole moon the mass of the moon. They’d have tides, they’d have an unobstructed view of the night sky, and they’d have no clue about this ...

The scientists who precisely measure the position of Earth are in a bit of trouble. Their measurements are essential for the ...