
Two cosmic structures show evidence for a remarkable change in behavior of a supermassive black hole in a distant galaxy.

50th Anniversary of Lunar Orbiter 1 Mission

There are several large fires burning on Portugal's Madeira Island and mainland and NASA-NOAA's Suomi NPP satellite captured an image…

NASA's Transiting Exoplanet Survey Satellite (TESS), shown here in a conceptual illustration, will identify exoplanets orbiting the brightest stars just…

Optics engineer Greg Balonek prepares a TESS flight lens for modal testing at MIT Lincoln Laboratory.

Greg Allen, lead thermal engineer for the TESS instrument at MIT Lincoln Laboratory, works on TESS flight lenses. In this…

The TESS flight star tracker, provided by DTU Space for Orbital ATK, will monitor relative locations of stars and tell…

MIT Lincoln Laboratory Optical Engineer Christian Chesbrough applies room temperature vulcanization (RTV) pads to a TESS flight lens in the…

A set of flight camera electronics on one of the TESS cameras, developed by the MIT Kavli Institute for Astrophysics…

Pictured is the TESS spacecraft and its high gain antenna before being shipped to Orbital ATK. The spacecraft sits atop…