The sky offers plenty of calendar markers to help note the turning of the seasons. At the start of summer,...More »
▶StarDate Radio: June 24 — Orange Triplets
Stars come in all types. One of the most common types is the orange dwarf — which is also one...More »
★Stargazing: June 24
A system of three orange stars is in the south-southwest at nightfall, not far to the lower right of the...More »
▶StarDate Radio: June 23 — Storm Damage
Solar storms can create all sorts of trouble. They can knock out power grids, cripple orbiting satellites, and disrupt airline...More »
★Stargazing: June 23
The Moon is “new” today, as it crosses the imaginary line between Earth and Sun. It will return to view...More »
▶StarDate Radio: June 22 — Quiet Sun
The Sun has been unusually “quiet” in recent years — the quietest in more than a century. And forecasters say...More »
★Stargazing: June 22
Eltanin, an Arabic name that means “the serpent,” is the brightest star of Draco, the dragon, which is high in...More »
▶StarDate Radio: June 21 — Busy Sun
The Sun is one of the steadiest of all stars. Even so, its energy output does vary — by less...More »
★Stargazing: June 21
Ophiuchus, the serpent bearer, passes high across the south tonight, above Sagittarius and Scorpius. Ophiuchus is the only one of...More »
▶StarDate Radio: June 20 — Summer Solstice
The modern calendar is one of the oldest and most basic astronomical instruments. It measures the relative motions of Earth...More »
★Stargazing: June 20
Summer begins tonight in the northern hemisphere, when the Sun stands farthest north for the year — a moment known...More »
▶StarDate Radio: June 19 — Moon and Venus
One of the loveliest events in the night sky is a close alignment of the Moon and the planet Venus....More »
★Stargazing: June 19
Venus, the brilliant “morning star,” will stand to the left of the Moon at first light tomorrow, and about the...More »
Current Magazine
Our July/August issue of StarDate magazine will focus on the Great American Eclipse. On August 21, a total solar eclipse will be visible across a wide swath of the United States, with a partial eclipse in store for the rest of country. We'll tell you how to make the most of it.
