Astronomers have re-examined the biggest explosion ever seen, possibly the most massive explosion since the Big Bang, to ...

What could we choose as the seven most remarkable celestial objects visible either with our eyes or with a small telescope?

In the sprawling Hydra constellation, 137 million light-years away, lies NGC 3285B—a dazzling spiral galaxy recently ...

If you thought our moon was the only satellite circling the Earth, think again. Astronomers have revealed a shocking number ...

Astronomers have discovered "Ammonite," a mysterious object on the solar system’s edge whose unusual orbit challenges current ...

To better understand how the magnetic reconnection process works and its impact on Earth, NASA is launching a pair of ...

A SpaceX Falcon 9 rocket will launch from California on a TRACERS satellite mission for NASA. What time is liftoff, and will ...

SpaceX Falcon 9 rocket will launch from Vandenberg in California on a NASA mission. Where are some spots to watch liftoff?

Colossal filament eruption on July 15 carved a 250,000-mile solar trench NASA's SDO captured the dramatic collapse of a filament in high detail Violent magnetic realignment created a glowing canyon of ...

Answer 17: A meteoroid is a small rocky or metallic body in space. A meteor is the streak of light produced when a meteoroid enters Earth’s atmosphere. A meteorite is a meteoroid that survives passage ...

The Sun has a huge scar on it after a solar filament exploded on the surface recently. Astronomers spotted a huge plasma whip ...