As viewing prospects for Tuesday (March 3) morning's total lunar eclipse are concerned, it seems that about half of the ...

Last year, our most detailed map of the universe yet suggested our understanding of dark energy has been wrong for decades. The shock result is reigniting the search for a better cosmic story ...

The eclipse kicks off at 3:44 a.m. EST (0833 GMT), as the moon begins to slip into Earth's outer shadow, or penumbra. The ...

Astronomers have long known the universe is expanding—but exactly how fast remains one of the biggest mysteries in cosmology. Different techniques for measuring the Hubble constant stubbornly disagree ...

A new NASA analysis concludes that it is "reasonable to hypothesize" that living things could have formed the odd organic molecules discovered on Mars.

The changes come on the heels of yet another delay for the Artemis II mission, which aims to send four astronauts on a 10-day ...

Jared Isaacman, the agency’s administrator, said the Artemis III mission would move to 2027 and would no longer attempt a lunar landing.

In shaking up its Artemis lunar program, NASA's new moon plan looks more like the Apollo missions of the 1960s. Instead of ...

On February 20, 2025, the first stage of a SpaceX Falcon 9 rocket streaked across Europe, and scientists in Germany tracked its lithium pollution plume via LiDAR.

NASA's Artemis moon missions face changes after continuous SLS rocket delays. A new plan aims to speed up launches and get to ...

Terrestrial-based data centers are power-constrained, land-intensive, and consume significant volumes of water for cooling. Space-based data centers are freed from these environmentally intensive and ...

NASA’s Mike Fincke identified himself Wednesday as the astronaut whose medical condition prompted the space agency’s first ...