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

Hubble is still going strong 35 years after it was launched into space. Celebrate its anniversary with some out-of-this-world images.

The world's largest solar telescope in Hawaii has produced its first image using a new instrument that took 15 years to build ...

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

The weather gets a little wild and weird on Jupiter. How wild? Spacecraft instruments have measured strong winds, tracked ...

Daydreaming Pisces already see the world through rose-colored lenses, so they should probably own some actual ones. A pair of ...

The University of Arizona has utilized state-of-the-art Magellan Adaptive Optics Xtreme technology to observe the PDS 70 ...

The weather forecast for Jupiter calls for clouds with a chance of lightning and "mushballs"—a slushy mix of ammonia and ...

Venus begins a season-long absence from the sky, hidden by the glow of the Sun as it slowly passes behind our star, not returning to our view until August. It reaches superior conjunction on June 4, ...

However, after detailed tracking and analysis, scientists have now ruled out any threat to our planet. As astronomers tracked its movement in the following weeks, they discovered the odds of it ...

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