What does it mean when a comet racing at about 130,000 miles per hour shows hydrogen signatures unlike anything seen in our ...

A staggering 250,000 kilometers per hour was the speed at which the comet had rushed through the inner solar system near the Sun–a reminder of how extreme velocities set interstellar visitors apart ...

The killing "constitutes a flagrant violation of the November 2024 ceasefire and brutal breach of Lebanon's national sovereignty", Iranian foreign ministry said ...

The latest China-Japan furor came after Prime Minister Sanae Takaichi publicly linked a Taiwan Strait crisis with the possible deployment of Japanese troops.