A “city killer” asteroid experts feared was on a crash course with Earth is now expected to miss the planet — but it still has a chance of smashing into the moon. Asteroid 2024 YR4, first detected in ...
NASA launched an exoplanet-hunting experiment Oct. 1 despite the government shutdown. After the mission's end on Oct. 2, news ...
A new study has challenged a popular explanation for the unexpected 30-second shortening of Dimorphos's orbital period. The ...