In 1977, NASA launched the twin Voyager spacecraft to probe the outer reaches of our solar system. The space agency was still in its infancy then. But with the triumph of the Apollo Moon landings just ...

Credit: X-ray: NASA/CXC/SAO; ESA/XMM-Newton; Optical HST: NASA/ESA/STScI; Optical Ground: Deep Space Remote observatories/B. Fera and S. Mandel; ESO/VLT As odd couples go, it’s tough to beat the ...

The Moon passes 5° north of Mercury at 3 P.M. EDT. Although the pair rises only shortly before the Sun, the Moon’s visibility and Mercury’s brightness may allow you to spot them. You’ll only have a ...

New Moon occurs at 7:52 A.M. EDT, leaving the sky pristine all night and setting the stage for a possible sighting of the zodiacal light after dark. This ethereal glow is generated by sunlight ...

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 ...

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 ...

Before we lose sight of Canis Major in the nighttime sky, get in a last good look at the Big Dog’s famous double star, 145 Canis Majoris, sometimes called the Winter Albireo. Two hours after sunset, ...

On April 11, 1970, the Apollo 13 mission launched. Intended to be the third lunar landing, it was crewed by Commander Jim Lovell, who had flown previously on Apollo 8, and Fred Haise and Jack Swigert, ...

Prepare for the world’s largest and most spectacular astronomy and space expo! The Northeast Astronomy Forum (NEAF) is back to mark its 35th anniversary in Suffern, New York, conveniently located 40 ...

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 ...

A series of powerful observations has made it clear that our universe has expanded for billions of years, emerging from the hot, dense state we call the Big Bang. Over the past several decades, new ...

Moments after the crew of Artemis 2 broke the spaceflight record for the farthest humans have ever been from Earth, the crew shared an emotional moment, proposing to name a crater on the Moon after ...