The high casualties in these incidents have brought renewed attention to the safety of sleeper buses operating on India’s ...

A remarkably clean gravitational-wave detection has confirmed long-standing predictions about black holes, including Hawking’s area theorem and Einstein’s ringdown behavior. The findings also provide ...

Julia Kagan is a financial/consumer journalist and former senior editor, personal finance, of Investopedia. Eric's career includes extensive work in both public and corporate accounting with ...

As 2025 draws to a close, CDT editors are compiling a series of the most notable content (Chinese) from across the Chinese internet over the past year. Topics include this year’s most outstanding ...

Atomic and molecular collision processes are the physical interactions of atoms and molecules when they are brought into close contact with each other and with electrons, protons, neutrons or ions.