Recent flybys of the fiery world refute a leading theory of its inner structure — and reveal how little is understood about ...

Astronomers and philosophers have long speculated on the possibility of planets orbiting distant stars.  In the 1990s the ...

NASA's Juno spacecraft made a close flyby of Jupiter moon lo. See an animation of the images the probe captured created by ...

Hubble Space Telescope imagery created an HD look at the gas giant planet Jupiter. Credit: NASA Goddard Space Flight Center ...

Thirty-five years ago, the Hubble Space Telescope was launched into orbit. It's been sending back galactic data and images ...

According to NASA, the planetary phenomenon will be clearest about 45 minutes before sunrise, low in the eastern sky and ...

The Lucy spacecraft will observe the asteroid Donaldjohanson on Sunday afternoon, before it moves on to study a handful of ...

according to NASA. Lucy passed within 600 miles (960 kilometers) of the harmless asteroid known as Donaldjohanson on Sunday in the main asteroid belt between Mars and Jupiter. It's named for the ...

NASA reported that its Perseverance rover had captured images of a mysterious, skull-shaped rock on the Red Planet, the origin of which remains uncertain. The rock, referred to as "Skull Hill ...

Large hailstones made of ammonia may explain why the gas is missing from large pockets of Jupiter's atmosphere.

Here’s how it works. On April 23, 1962, NASA launched the Ranger 4 mission to the moon. After the first three Ranger missions failed, NASA was really happy with the successful launch of Ranger 4.

The Lucy spacecraft of NASA successfully flew by asteroid (52246) Donaldjohanson. The main asteroid belt between Mars and Jupiter housed a tiny asteroid. At 1.51 pm EDT on Sunday, April 20, the ...