NASA’s two stuck astronauts took their first spacewalk together Thursday, exiting the International Space Station almost eight months after moving in. Commander Suni ...

President Trump’s torrent of executive actions has spurred a flood of legal challenges seeking to thwart the president’s efforts to reshape U.S. policy in his first days back in the White ...

First spotted last month by a telescope in Chile, the near-Earth asteroid — designated 2024 YR4 — is estimated to be 130 to ...