This all-inclusive refractor is best for observing planets and the moon, but still able to give skywatchers some glimpses of deep-sky objects.

"For asteroids of the size scale relevant to planetary defense (i.e., ∼50-500 m), the mass can only be directly measured ...

We all have a concept of reality. We know what is “fact” and what isn’t. However, the truth of the matter is that the ...

With the Earth moving between the moon and the sun, its giant shadow changing the moon's reflected glow from ivory to a reddish color.

Scientists identify exoplanet candidate HD 137010 b, a possible Earth-size world orbiting a Sun-like star 146 light-years away ...

We all have a concept of reality. We know what is “fact” and what isn’t. However, the truth of the matter is that the definition of “real” is a mere construct of the brain. If that didn’t blow your ...

The 600 pieces of shocked glass across Brazil have sparked a search for the impact crater they come from.

Sky This Week is brought to you in part by Celestron. Friday, March 6With no Moon in the early-evening sky, let's chase down ...

A team of astrophysicists has built the first detailed spectral model of a metal-free supermassive star weighing up to one million times the mass of the Sun, and the results line up with some of the ...

Mercury, Venus, Jupiter and Mars shine together after sunset in early March, with Mercury at its best of 2026.

Meta CTO and Reality Labs chief Andrew Bosworth detailed why he thinks he might have failed VR gaming fans, and why some people are angry, noting that it’s probably because the “gravy train has come ...