At the beginning of the week, the moon passes Mars and Jupiter. Our satellite is in its waning crescent phase now, so it is visible before dawn. If you saw the moon in the early morning hours of Monday, the bright point of light next to the moon was Mars. If the weather cooperates on... Read more »

The bright point of light appearing in the eastern sky in the early evening is Saturn. The ringed planet is approaching its closest point to Earth on Oct. 4. This is the planet’s opposition, meaning i...

Why do people call it that? Before the invention of electric lighting, farmers could use the light of the full moon to help harvest their crops.

Europa Clipper is heading toward us now and will get closer throughout the fall until it passes Earth on Dec. 3, 2026 at a distance of about 2,000 miles.

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Now that summer is ending, Jupiter is emerging in the morning sky before dawn. To see it you will need to find a spot with a good view of the eastern sky.

is designed to have a wide field so that it can scan large parts of the sky at once. Its field of view is 100 times larger than the Hubble Space Telescope and 10 times larger than the Webb Space Teles...

There are six planets above the horizon before dawn right now. But not all of these are visible to the naked eye.

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Fifty-seven years ago this week the crew of Apollo 11 first touched down in the mare named the Sea of Tranquility.

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The space agencies of Japan and China recently sent spacecraft to visit two asteroids, and last week, they arrived.

To see the moon and Saturn together in the sky, face east after 2 a.m. Tuesday.

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NASA engaged Katalyst Space to build a robotic spacecraft to rendezvous with the Swift Observatory and then boost it to a higher orbit.

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This week the moon returns to the evening sky, and it will glide past Venus, Jupiter and Mercury.

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The two brightest planets in the sky, Venus and Jupiter, have a very nice conjunction this week, passing within 1.5 degrees of each other.

The Webb Space Telescope recently imaged a nebula around a dying star. Known as Nebula PMR 1, it is 5,000 light years away from us in the southern constellation of Vela.

After a trip around Mars, NASA’s Psyche spacecraft is headed to observe the Psyche asteroid.

This week the moon returns to the evening sky. It will pass by Venus and Jupiter over the next couple of days.

The planets Saturn and Mars have been lurking low in the morning sky for weeks, but their low altitude has made them difficult to view. Now finally these two planets are beginning to emerge from the morning twilight.

Keep an eye on Venus: as the weeks go by, the planet continues to climb. Meanwhile, Jupiter is sinking in the western sky.