Is the U.S. in a space race with China? While both are actively expanding their presence in space and their goals for the moon, one country is still far ahead.
Astronomers used a trio of telescopes to measure the "redness" of the Neptune Trojans, asteroids in Neptune's orbit. Turns out they're redder than expected.
Scientists have identified a 200,000-light-years-long trail of young blue stars - a star bridge - linking a runaway black hole and the galaxy it's escaping.
NASA's Webb space telescope has detected swirling, gritty clouds of silicates and numerous molecules in the atmosphere of a giant exoplanet 40 light-years away.