An aerospace engineer explains why NASA, Space Force and other agencies are using or testing aerobraking for more ...

In this episode, Astronomy magazine Editor Dave Eicher invites you to head out and observe a planetary nebula in the ...

A Full Flower Moon shines in the sky tonight from sunset to sunrise. This month's Full Moon appears smaller than usual, just ...

Of the more than 5,000 exoplanets that have been confirmed so far and many more thousands of candidates, most orbit stars the ...

It really depends on the higher levels of our atmosphere, but a lower dew point is a better starting point for good observing ...

Jupiter’s moon Callisto passes near the planet’s northern limb, shortly before Io transits and Ganymede emerges from the gas ...

The Moon passes just 0.4° south of Virgo the Maiden's bright alpha star, Spica, early on the morning of May 10.

A bright Moon dominates the sky, passing two bright stars as Juno reaches opposition and Mercury dips toward the horizon in ...

An astronomer breaks down 3 key components that allow researchers to make groundbreaking discoveries — and decide when ...

Fabricius noted the brightness of Mira on August 3, 1596. But when he observed it on the 21st of that month, it was a ...

Jupiter and Mars shine in the evening, more planets gather in the morning, and the Eta Aquariid meteors join in.

A remnant of the Soviet Venus program, Kosmos 482 has stayed aloft in in Earth's orbit for 53 years. But it may make a return ...