The decision to move Monday's swearing-in means thousands of people with plans to visit Washington won't be able to see President-elect Donald Trump's second inauguration in person.

Blue Ghost and New Glenn started off the year right. Many more launches are on the way, and many can be watched online.

SpaceX and Blue Origin are years away from putting astronauts on the moon. Four other companies may get there first.

Just nine days before TikTok is set to be banned across the US, the Supreme Court heard final pleas from all sides in today's hearing. Supreme Court justices grilled lawyers for TikTok and the US ...