From solar probes to deep space missions, these record-breaking human-made objects reached speeds that make bullets and jets ...

At the time, the Earth would have been far closer to the moon than it is today, making it perhaps twice as large in the lunar ...

What's happening in the skies over North Texas this month? May holds some spectacular sights in the night and morning sky.

W.M. Keck Observatory imagery of star system HR 8799 have been time-lapsed. The system hosts four planets that are more ...

Juno’s latest discoveries have pulled back the veil on Jupiter’s harsh atmosphere and the fiery volcanic world of Io. The ...

Astronomers have long speculated about an unseen planet lurking in the solar system's outer edge. This hypothetical world, ...

NASA Jet Propulsion Laboratory director Laurie Leshin discussed various outer space endeavors in an earth and planetary ...

Juno sheds light on Jupiter’s polar storms and Io’s hidden lava, offering insights at two of the solar system’s most extreme ...

NASA scientists have sought to understand planet Jupiter, the gas giant whose mass is more than the rest of the planets in ...