My favorite planet, besides the one I live on, is on the rise in the low eastern Pottsville sky during evening twilight. It’s ...

Pluto's unusual eccentricity and tilt is likely due to its interactions with neighboring Neptune and other giant planets, ...

Dwarf planet 2023 KQ14, Ammonite, has a stable orbit that challenges the hypothesis of the mysterious Planet Nine.

The moon and Venus will shine vividly alongside a bright star in the early morning in a celestial rendezvous that should be visible across the U.S.

Normally when a medium-size star dies, it blasts away the bulk of material in its system. The Hubble discovery was surprising ...

TRAPPIST-1e shows no signs of its first atmosphere, but hints of a secondary one remain. Liquid water could still be possible ...

My favorite planet, besides the one I live on, is on the rise in the low eastern Butler sky during evening twilight. It’s ...

SKYWATCH: This year marks the 50th anniversary of the discovery, just inside Jupiter’s orbit, of Kohoutek, a comet synonymous ...

The fall equinox is a significant event in any tipped planet's life. Seasons are caused by a planet's tilted axis. Those which orbit the sun standing nearly straight up and down with little to no ...

Astronomers predict it will pass relatively close to four planets (but not Earth) and the Sun, then continue its cosmic ...

In a new study published in the journal Research Notes of the American Astronomical Society, astronomers report the discovery ...

Did you see the bright star next to the moon? That was Venus, and part of a conjunction between the moon, Venus and the star ...