A black hole is an astronomical body so compact that its gravity prevents anything from escaping, even light. Albert Einstein 's theory of general relativity predicts that a sufficiently compact mass will form a …

7 hours ago · Antarctica’s shrinking ozone hole signals a faster-than-expected recovery of Earth’s protective UV shield.

2 days ago · Astrophysicists in New York have created terrifying simulations of how black holes naturally create dazzling displays detected from billions of light years away.

Nov 30, 2025 · Milky Way galaxy’s black hole captured in mid-infrared; JWST reveals magnetic field strength and synchrotron cooling mechanisms from Sagittarius A* flares. Astronomers using James …

5 days ago · The edge of a black hole isn’t what you think. Astrophysicist Janna Levin dives into the event horizon, the one-way transition where space and time warp so m...

The key is a new model, based on Einstein's theory of general relativity, that tracks in detail how a black hole interacts with the surrounding matter.

Nov 24, 2025 · Ozone hole ranked as 5th smallest in more than 30 years, according to new research Efforts to limit ozone-depleting chemical compounds had a significant impact.

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Nov 3, 2017 · The smaller ozone hole was strongly influenced by an unstable and warmer-than-usual Antarctic vortex.

In the center of a black hole is a gravitational singularity, a one- dimensional point which contains a huge mass in an infinitely small space, where density and gravity become infinite and space-time curves …