A seven-luminaries-deep parade of planets will line up and light up the night sky this week, folks. Just after sunset on Feb. 28, 2025, Venus, Mars, Mercury, Jupiter, Saturn, Uranus and Neptune will ...

For the first time since Pluto was demoted, the idea of a true ninth planet is edging from speculation toward something ...

Looking for a sky event this week? Check out our full Sky This Week column. December 31: A Europa transit to welcome the new ...

The eighth and most distant planet from the sun, Neptune, reaches opposition with the sun on Sept.23, when it will be in its best position for viewing for the year. Neptune is too faint to see with ...

Neptune, planet of dreams, drugs, vision, and oblivion, is going retrograde this summer. The mystical planet will slow its roll from July 2 until December 7. Neptune is the planet of fantasy and ...

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New models suggest Uranus and Neptune may hold far more rock than expected, raising questions about how these distant planets formed.

A Neptune-sized planet closely orbiting its host star has just been discovered, making it only the fourth object of its kind ever identified. Scientists detected the planet, designated TOI-3261 b, ...

Artist’s concept of a Neptune-sized planet, left, around a blue, A-type star. UC Berkeley astronomers have discovered a hard-to-find gas giant around one of these bright, but short-lived, stars, right ...

Here's everything you need to know about this week's parade of seven planets. Getty Images A seven-luminaries-deep parade of planets will line up and light up the night sky this week, folks. Just ...