Looking for a sky event this week? Check out our full Sky This Week column. 1 Ceres is passing close to the 5th-magnitude star Phi 2 (φ 2) Ceti this evening. Viewing will be best about two hours after ...

Launched on October 4, 1959, Luna 3 successfully became the first spacecraft to image the lunar farside. On October 7, 1959, the probe captured images using an onboard 35mm camera with treated film, ...

This tour is currently under development. Eclipse Traveler is designing an exclusive journey to place you in an optimal viewing location for this incredible celestial event.

Step outside tonight in the early evening, when Sagittarius lies above the southwestern horizon. Globular cluster M22 shines brightly at magnitude 5.1, readily observable with binoculars or any size ...

NASA announced Wednesday that its Perseverance rover discovered what scientists are calling a “potential biosignature” in a rock on Mars last year. This signature, which may have a biological origin ...

The White House proposed a 24% budget cut to NASA for fiscal year 2026, a significant departure from historical precedent, with a 47% reduction specifically targeting science programs. Congress, ...

Scientists leveraged what was previously considered "digital noise"—color offsets caused by moving objects in images from ESA's Mars Express and ExoMars Trace Gas Orbiter—to catalog 1,039 martian dust ...

Karl Schwarzschild was born Oct. 9, 1873 – just one day after his famous collaborator Ejnar Hertzsprung – and grew up in a Jewish family in Germany. Schwarzschild was considered a child prodigy, ...

Discover the best of Sydney and its breathtaking surroundings on this 7-day tour, perfectly timed for the total solar eclipse on July 22, 2028. Your journey begins with a deep dive into Australia’s ...

Let’s visit Venus in the early-morning sky; the bright planet rises around 5 A.M. local daylight time and stands nearly 10° high in the east an hour later. Blazing at magnitude –3.9, it’s unmissable ...

Before you set your telescope up next time, read through the four following items. I hope one or more of them will help you get more from your session. You’ve placed your solar filter on the front of ...

Saturn’s moon Iapetus is now some 8’ east of the planet; although it is nearing 12th magnitude as it approaches its fainter eastern elongation in the first week of October, observers with larger ...