The rare 3I/ATLAS alignment on Jan. 22 coincides with the 'opposition surge' phenomenon. Learn the mystery of this 13-billion-year-old visitor.

A January 2026 Earth–Sun alignment allows measurements of the opposition surge from interstellar object 3I/ATLAS using ...

A rare astronomical event will display six planets in alignment, visible after sunset, giving skywatchers a spectacular ...

The upcoming year will offer a blood-red moon, spectacular meteor showers and the first glimpse of the sun’s corona since ...

A rare alignment of two exoplanets with their star, marking one of the few known exosyzygies, an astronomical event involving celestial bodies outside our solar system, is expected to occur. Despite ...

A trio of planets accompanied the moon in the sky on Friday, Dec. 10. Jupiter, Saturn and Venus fell in line with the crescent moon in the southwestern sky shortly after nightfall, according to ...

When a planet's orbit brings it between Earth and a distant star, it's more than just a cosmic game of hide and seek. It's an opportunity for NASA to improve its understanding of that planet's ...

If you're an early riser, you're in for a treat. On Sunday, Aug. 10, six planets — Mercury, Venus, Jupiter, Saturn, Uranus and Neptune — will line up in what is called a "planetary alignment." This ...

A small planetary alignment is on the horizon It will take place near the end of May A crescent moon will be wedged between Venus to the south and Saturn to the north Astronomy fans got to see a ...