NASA is marking the 20th anniversary of the space shuttle Columbia tragedy with somber ceremonies during its annual tribute to fallen astronauts

Japan has successfully launched a rocket carrying a government intelligence-gathering satellite on a mission to watch movements at military sites in North Korea as part of Tokyo’s effort to build up its military capability

Rescuers were heading to the site of a magnitude 5.5 earthquake in a region of southwestern China at the base of the Tibetan plateau that is prone to deadly quakes

An asteroid the size of a delivery truck will whip past Earth on Thursday night, one of the closest encounters ever recorded

A state lawmaker in Oregon is using thousands of pages of redacted documents he sought for more than a year to launch legislation demanding more accountability and oversight of a primate research facility with a long history of complaints

The Biden administration is temporarily delaying legal protections for two imperiled species after getting pushback from congressional Republicans

When U.S. Rep. Jake Auchincloss decided to deliver a speech on a bill that would create a U.S.-Israel artificial intelligence center, he opted to let the AI do the talking

The co-creator of the beloved children’s education TV series “Sesame Street,” Lloyd Morrisett has died

The European Space Agency chief says he wants to rebuild Europe’s access to space following the botched launch of a European rocket carrying two Earth observation satellites last year and the delayed introduction of the Ariane 6 launcher