It could be the largest lunar impact event in 5,000 years.If it hits in December 2032, asteroid 2024 YR4 — believed to be 60 ...

Look across the night sky and it is easy to think the universe is mostly stars, galaxies and the planets that orbit them. Yet ...

From new exoplanetary neighbors and a weakening dark energy to the best evidence for life on Mars and an interstellar comet ...

One of the toughest yet most rewarding annual display of "shooting stars" peaks overnight on Jan. 3-4, 2026 — here’s how to ...

Throughout 2025, there have been several chances to spot the Northern Lights across Canada. The best of all these ...

NASA’s Europa Clipper spacecraft has recorded important new observations of the interstellar comet 3I/ATLAS using its Southwest Research Institute-led Ultraviolet Spectrograph (UVS). In July, 3I/ATLAS ...

Look to the southern sky after dark on Dec. 26 to spot the waxing crescent moon shining near the gas giant Saturn among the stars of the constellation Pisces.

Sky This Week is brought to you in part by Celestron. Friday, December 26The Moon passes 4° north of Saturn at 11 P.M. EST, right as the pair is setting along the U.S. East Coast. It's better to ...

Astronomers worldwide are gearing up for a year of spectacular comet sightings in 2026. Multiple comets will be observable through binoculars and small telescopes. Some, like C/2025 R3 PanSTARRS, may ...

The final day of the annual Space Telescope Advent Calendar shows a new view of one of the most famous deep-space images of ...

Fourth anniversaries aren’t often causes for celebration. But in the case of the James Webb Space Telescope (JWST), which ...

The first of its next-generation BlueBird satellites is now in orbit. But the Starlink rival, backed by AT&T, Verizon, and ...