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

The HiRise camera is living up to its name, capturing a rare look at the veteran rover from way up in Martian orbit.

Well, in the predawn hours of April 25 it literally will be thanks to a double conjunction that will see Saturn, Venus and ...

Skywatchers worldwide are in for a charming cosmic display before the Sun rises Friday, as three celestial bodies will appear in close conjunction.

A rare triple conjunction of Venus, Saturn and the moon will appear as a "space smiley" above Wyoming on Friday morning for ...

The morning of April 24 will give rise to a striking mini-planetary parade, as Mercury, Venus, Saturn, Neptune, and Earth's ...

Get ready to have space "smile" back at you Friday morning, April 25, as Venus and Saturn align with the moon to create a smile.

This Friday right before sunrise, the moon, Venus and Saturn will create a smiley face in the eastern horizon for a brief ...

Let's start with the human eye. The human eye has an angular resolution of about 1 arcminute. That's pretty impressive. Take a circle surrounding you on the horizon, divide it into 360 little bits, ...

The energy source behind both quasars and microquasars is the spin of the black hole itself. As they gradually give up this ...

In astronomy, a conjunction occurs when two celestial objects—like planets, the Moon, or stars—appear very close together in ...

Lucy’s next stop — “the main event,” as Levison calls it — will be the Trojan asteroids that share Jupiter’s orbit around the ...