What if you could find binoculars big enough to qualify as small telescopes? Get ready for the BT–127XL–SD apochromatic ...

Venus, Jupiter, and Mars dominate the sky. Catch your last views of Saturn as early in the month, the Moon passes in front of ...

More than 3 billion years ago, when the Moon’s volcanic mare (the dark lunar “seas”) were formed, the Moon was rife with ...

Great question! Assuming you’re referring specifically to the orbital period — in other words, how long comets take to make one revolution around the Sun, or a cometary “year ...

Watch a bright Moon dominate the sky, trace the Winter Hexagon, and continue enjoying the evening parade of planets in the ...

The vast valleys of Vallis Schrödinger and Vallis Planck demonstrate the incredible forces that shaped the face of the Moon.

Where the astronauts sat in the Apollo Lunar Module may have profoundly impacted the way the experience of walking on the ...

Visual observers and astrophotographers alike can find something amazing to observe along the plane of our galaxy.

The meteor fragments returned by OSIRIS-REx shed light on the entwined history of water and the chemical ingredients of life ...

Wednesday, February 5 First Quarter Moon occurs at 3:02 A.M. EST. Nearly half a day later, the Moon passes 5° north of Uranus ...

Headliners including Jane Goodall, Brian May, Pablo Álvarez, Glenn Hughes, Jorge Drexler, and many more will celebrate ...

Our white dwarf Sun will cool for billions upon billions of years, slowly fading away as a dark, solid carbon-oxygen ball.