The 47% budget cut would obliterate NASA's science program, experts say.

WASHINGTON (AP) — Foreign tourists are trickling back to China after the country loosened its visa policy to unprecedented ...

Two Chinese satellites have rendezvoused with one another more than 20,000 miles above the Earth in what analysts believe is the first high-altitude attempt at orbital refueling. China’s Shijian-21 ...

The recently approved Big Beautiful Bill includes billions of dollars in spending in a concession to Republican ...

The spectacular discoveries NASA's MESSENGER made about Mercury.

Events in the Middle East continue to grab headlines, and Russia’s invasion of Ukraine stays there as well. What gets less attention but may prove to be just as impactful to the United States' ...

After a groundbreaking mission to the International Space Station with the Crew Dragon capsule, Elon Musk has shifted ...

The moon's near and far sides exhibit striking asymmetry—from topography and crustal thickness to volcanic activity—yet the ...