Sky This Week is brought to you in part by Celestron. Friday, January 23Pluto reaches conjunction with the Sun at 5 A.M. EST.

An enlightening synergy, the influence of Mercury trine Uranus on Jan. 18 brings suprising clarity and support ...

In astronomy, an occultation is when a celestial body or object — like the moon or a planet — passes in front of a distant ...

On the evening of February 28, 2026, skywatchers will be treated to a rare spectacle as at least six planets become visible shortly after sunset.

Four of the planets, which are Mercury, Venus, Jupiter and Saturn, are bright enough to be spotted with the naked eye in ...

When Pioneer 10 flew by Jupiter on Dec. 3, 1973, its margin of survival was closer to the knife-edge than it seemed. It ...

February brings several special events, including a rare "occultation," and a planetary parade of six planets.

After a year featuring a brilliant green comet, a rare eclipse at sunrise, perfect views of the planets, a traveler from deep ...

Skygazers, mark your calendars because one of the coolest celestial events is coming around again toward the end of February.

Planetary rings explained: composition, formation theories, and a comparison of Saturn, Jupiter, Uranus, and Neptune’s rings.

"I don't think anyone's made this connection between the surface fluid pattern and the interior properties of these planets." ...

'We were wrong' - Uranus and Neptune Might Not Be "Ice Giants" After All ...