Juno view of Jupiter's clouds
HST view of Messier 82
Artist's concepts of Lucy, Psyche asteroid missions
Artist's concept of 47 Tucanae X9, a likely black hole-white dwarf binary

StarDate Radio: March 30 — Moon and Mars

Mars is cold and dry, and its air is a bare wisp compared to Earth’s air. That’s not an especially...More »

Stargazing: March 29

The Moon is a beautiful crescent this evening. To the lower right of the Moon, look for the planet Mercury,...More »

StarDate Radio: March 29 — Moon, Mars, and Mercury

Three small, rocky worlds put in an appearance this evening that makes them look more impressive than they really are....More »

StarDate Radio: March 28 — Looking for Life

The list of worlds in the solar system where life could exist keeps growing. Studies show that conditions could be...More »

Stargazing: March 28

The star that represents the head of Hercules rises below his body. It is called Rasalgethi, and it actually consists...More »

StarDate Radio: March 27 — Growth Spurt

One of the most impressive galaxies around climbs high across the south on spring nights. M87 is a giant elliptical...More »

Stargazing: March 27

M87, a giant elliptical galaxy that looks like a fuzzy rugby ball, with no spiral arms or other major features,...More »

StarDate Radio: March 26 — M82

M82 is one of the most vigorous galaxies around. It’s classified as a starburst galaxy. That means that, although it’s...More »

Stargazing: March 26


M82, one of the most vigorous galaxies around, is in Ursa Major, the big bear. It stands to the upper...More »

Stargazing: March 25

Cor Caroli, the brightest star of Canes Venatici, the hunting dogs, is in the east-northeast at nightfall. It is the...More »

StarDate Radio: March 25 — Cor Caroli

When healthy twins are born, they usually have the same life expectancy. Barring accidents or disease, they should live about...More »

Stargazing: March 24

Venus is losing its identity. After tonight, it will no longer be the “evening star.” Instead, it will be the...More »

StarDate Radio: March 24 — Moving Day

Venus is losing its identity. After tonight, it will no longer be the “evening star.” Instead, it’ll be the “morning...More »

Current Magazine

cover of March-April 2017 issue

In our March/April issue, we'll explain how studying sand dunes can teach us about winds and geology on Mars and Titan. We'll also bring you up to date on a new X-ray telescope soon to be launched to the International Space Station. 

Featured Video