Discusses how we know about black holes, how they affect matter around them, and what would happen if you got inside one.

"Let us journey, with beloved physicist Carlo Rovelli, into the heart of a black hole. We slip beyond its horizon and tumble down this crack in the universe. As we plunge, we see geometry fold. Time and space pull and stretch. And finally, at the black hole's core, space and time dissolve, and a white hole is born. Rovelli has dedicated his career to uniting the time-warping ideas of general relativity and the perplexing uncertainties of quantum mechanics....

Introduces black holes, describing their physical features, how they were discovered, what causes them, and where they exist in space.

"In 1916, Einstein became the first to predict the existence of gravitational waves: sounds without a material medium generated by the unfathomably energy-producing collision of black holes. Now, Janna Levin, herself an astrophysicist, recounts the story of the search, over the last fifty years, for these elusive waves--a quest that has culminated in the creation of the most expensive project ever funded by the National Science Foundation ($1 billion-plus)....

This genre-bending anthology takes place during a series of world-wide blackouts, after which millions of mysterious cosmic anomalies appear everywhere across the planet. While many flee from the objects, the real terror sets in as people are drawn toward -- and into -- them.

The black hole: Following a scientific mishap, mankind is faced with total annihilation as a threatening black hole appears over St. Louis. Now, time is running out to obliterate the black hole and the electricity feeding alien it has unleashed. Final days of planet Earth: In this riveting end-of-days action thriller, an archaeologist discovers that aliens, posing as government officials, are secretly harvesting human bodies in an attempt to take...