YR4 has a 2% chance of hitting Earth in 2032. Astronomers are tracking it to refine estimates of its size and orbit to see ...

The exoplanet, discovered in 2009, remained elusive due to dense clouds. Now, scientists have peered through with the James ...

Scientists discovered tiny jets on the Sun that power both fast and slow solar wind. These jets eject particles and shape ...

Mars, Venus, Jupiter and Saturn should be visible to the naked eye, but with a telescope you can spot Neptune and Uranus.