When astronomers detected the first long-predicted gravitational waves in 2015, it opened a whole new window into the universe. Before that, astronomy depended on observations of light in all its ...

Phrases with the words "secret," "conspiracy" and "lies" were seen across metro Phoenix on Tuesday, Jan. 28. What did they ...

Phrases with the words "secret," "conspiracy" and "lies" were seen across metro Phoenix on Tuesday, Jan. 28. What did they mean? Here's what we know.

Rising mountain peaks and sharp rock formations cover the ocean floor, with corals, sponges, fish, and tons of sea creatures ...