Making Space with Hoda Kotb Join Hoda Kotb on a journey of self-discovery and resilience of the human spirit. In this podcast, Hoda hears from some of the people she admires most, and whose stories of ...

A quasar — among the universe's most luminous and energetic objects — is a supermassive black hole caught in the act of guzzling matter at the heart of a galaxy. Scientists have now found quasars ...

A new exoplanet model screens rocky worlds by their ability to retain atmospheres over geologic timescales, helping narrow the search for potentially habitable planets beyond Earth.