Astronomers do not know where thousands of “city-killer” asteroids are, Nasa’s head of planetary defence has admitted.

Officials have directed the space agency to pause funds for a host of science missions the White House originally pushed to cancel in its 2026 budget request, according to a letter sent to the ...

NASA has selected two Earth science missions for development, one focused on studying the atmosphere and the other on terrestrial ecosystems and ice.

Two new satellite missions will help NASA scientists better understand Earth and improve the ability to foresee environmental ...

NASA has selected UC San Diego's Scripps Institution of Oceanography to lead the Earth Dynamics Geodetic Explorer (EDGE) ...

Two next-generation satellite missions announced Thursday will help NASA better understand Earth and improve capabilities to ...

A top astronomer responsible for defending the Earth against asteroids has revealed what keeps her up at night — thousands of “city killer” space rocks that remain undetected. Dr Kelly Fast, NASA’s ...

The Earth Dynamics Geodetic Explorer (EDGE) team was one of two teams selected out of four finalists for NASA’s Earth System ...

NASA’s Neil Gehrels Swift Observatory, a 21-year-old space telescope that has tracked gamma-ray bursts and cosmic explosions since 2004, is losing altitude fast enough that the agency has suspended ...

The Orbiting Carbon Observatory (OCO) 2 spacecraft is one of many science missions at NASA targeted for termination in the 2026 budget request. Credit: NASA/JPL-Caltech WASHINGTON — Comments by NASA’s ...