Astronomers have observed an object that originated from beyond our solar system, thought to be an interstellar comet, ...

Astronomers have just confirmed the discovery of a rare visitor from beyond our solar system — a newly detected interstellar ...

Mercury begins a rapid plunge toward the setting sun. By early July, Mercury is lost in the glare of the sunset. By late July, Mars begins to sink into the ...

Mercury will reach its greatest eastern elongation, marking the point where it is farthest from the Sun in the evening sky.

NASA has discovered an interstellar comet that's wandered into our backyard. The space agency spotted the object with the sky ...

Experts have confirmed that the mysterious object hurtling towards us, previously dubbed A11pl3Z, is an "interstellar object.

Price history: Before today's deal, the lowest price this year that we've seen for the Celestron NexStar 8SE was $1299 back ...

On July 4, Mercury will be easiest to spot in the evening sky. Just after sunset, look toward the west-northwest. Even if you ...

From Mercury’s peak visibility to the Southern delta Aquariids meteor shower, July’s skywatching lineup promises an array of ...