The space rock came as close as within 4.15 million miles from our planet, according to NASA's Jet Propulsion Laboratory.

The newfound exoplanet, called Kepler-139f, is a gigantic world roughly twice the mass of Neptune and 35 times the mass of ...

Macquarie University astronomers have tracked an extreme planet's orbital decay, confirming it is spiralling towards its star in a cosmic death dance ...

The probe's first encounter will be with the asteroid Eurybates in August 2027. According to NASA, Lucy will conduct four ...

NASA said the comet will make its closest approach to the sun in October, scooting between the orbits of Mars and Earth — but closer to the red planet than us at a safe 150 million miles (240 ...