The evening sky presents quite a show this month. The bright planets Venus and Jupiter shine prominently in the northwest as the sky darkens. It’s best to look for Venus first. The brilliant planet ...

April 21: Could this be your last glimpse of Comet PanSTARRS? The Lyrid meteor shower peaks this morning with minimal moonlight to interfere. The shower’s radiant — the point from which its meteors ...

After passing south of Mars late on the 19th, Mercury passes 0.5° south of Saturn at 4 A.M. EDT this morning. Mars will later pass 1.3° north of Saturn at 2 P.M. EDT. This trio of planets congregates ...

In 1927, a prescient astronomer named Georges Lemaître looked at data showing how galaxies move. He noticed something peculiar – all of them appeared to be speeding away from Earth. Not only that, but ...

Trained as a Soviet Air Force pilot from the age of 15 and a 1959 graduate of the Zhukovsky Air Force Academy, Vladimir Komarov piloted Voshkod 1 in 1964 – the first multi-human-passenger space ...

NASA’s Lucy spacecraft visited the asteroid 52246 Donaldjohanson on April 20, 2025, coming within 600 miles (920 kilometers) of the object located in the inner region of the asteroid belt between Mars ...

1I/2017 U1 (‘Oumuamua) was discovered in October 2017; shortly after, it was determined to be the first object ever seen inside the solar system that had come from beyond it. But by the time its ...

Karen Meech doesn’t spend a lot of time digging through Earth’s rocks. An astronomer by trade, she is usually behind the telescope, investigating comets and looking for hints about how Earth got its ...

Exciting planetary action takes place this month. Venus and Uranus vie for attention and lie close to each other in late April. Jupiter offers a lot to observe through a telescope, particularly events ...

The countdown has begun. The crew is ready. And barring any last-minute hiccups, four astronauts on Wednesday will begin a journey that sends them farther from Earth than any human has gone before.

In less time than it takes to snap your fingers, the universe flashed into existence. Cosmogenesis is the breathtaking story of how this happened. It includes, in its later moments, the creation of ...

If you stargaze on a clear winter night, it’s hard to miss the constellation Orion the Hunter, with his shield in one arm and the other arm stretched high to the heavens. A bright red dot called ...