Enter white holes, the hypothetical cosmic phenomena that might expel matter and energy instead of absorbing it. ... NASA's Perseverance Rover Captures Oddball Rock On Mars.

The secret recipe of black holes: Study finds they can 'cook' their own meals in space A self-sustaining cycle ensures the cosmic juggernauts are constantly fueled with a continuous supply of ...

Supermassive black holes usually lurk unseen, but when an unlucky star drifts too close they ignite titanic outbursts ...

The jet is being shot out by a 6.5 billion-solar-mass central black hole which is engorged with infalling matter, NASA said. The black hole is launching a 3,000-light-year-long jet of plasma that ...

An artist's conception of a black hole's corona, which are the pale swirls above and below the black hole. Credit: NASA / Aurore Simonnet (Sonoma State Univ.) A strange black hole is making ...