When the Sun becomes a red giant, will the outer planets and moons become more temperate and conducive to Earth-like life? Terrence A. Murray Cincinnati, Ohio When the Sun runs out of hydrogen fuel ...

Summer is here, and Mercury goes retrograde from July 17 until August 11 — the retrograde begins after the full moon lunar ...

June washed us clean of our worries and strife, and July is tossing us into a dry sauna to get us nice and crispy. However, ...

Artist's impression of Planet Nine – a suspected “wide-orbit” planet – with the Sun in the distance; Neptune's orbit is shown ...

A NASA Hubble Space Telescope observation program called OPAL (Outer Planet Atmospheres Legacy) obtains long-term baseline observations of Jupiter, Saturn, Uranus, and Neptune in order to ...

As for astrological weather this week, June 8 could bring high spirits and good news. June 9 is the rockiest day of the week, ...

NASA launched two 12-inch gold-plated copper disks filled with the sounds of children's laughter, heartbeats, and bird calls.

Of the outer planets, Pluto is the slowest-moving, staying in one sign from 12 to 31 years due to its elliptical orbit. This makes this planet a symbol of transformation and power dynamics ...

Killer Spacemen from Outer Planet X. Special | 16m 40s Video has Closed Captions | CC. Three space explorers search for fuel when they encounter Killer Spacemen from Outer Planet X!

The researches say that the Hycean Habitable Zone (HHZ), when compared to the terrestrial habitable zone, may include smaller ...

Encountering Neptune in 1989, NASA's Voyager mission completed humankind's first close-up exploration of the four giant outer planets of our solar system. Collectively, since their launch in 1977 ...