Today in the history of astronomy, satellites Vela 3 and 4 make the first detection of gamma-ray bursts.

Titan’s shadow transits the northern hemisphere of Saturn this morning beginning around 3:30 A.M. EDT. It’s definitely worth ...

#11. The Moon’s temperature can vary from 242° Fahrenheit in a sunny spot to −334° Fahrenheit in a shady spot near one of its ...

Lowell Observatory Historian Kevin Schindler runs a detective story at the Grand Canyon to recreate a famous photo of Neil ...

Radio telescopes saw a strange burst of unknown energy in June 2024. Now we know it was from Relay 2, an early ...

Venus moves east as July progresses and stands 3° due north of Aldebaran on the 14th, after skirting the northern regions of ...

The White House’s proposed 2026 NASA budget calls for a dramatic 24 percent cut to funding, reducing NASA’s budget from $24.8 billion to $18.8 billion. If enacted, this would mark the agency ...

Visible in the early-morning sky today, Saturn’s two-toned moon Iapetus reaches superior conjunction just 1.4′ due south of Saturn. The proximity makes the now-11th-magnitude moon easier to find, as ...

Rocket Lab successfully launched its Electron rocket on Thursday, June 26, from Rocket Lab Launch Complex 1 in Mahia, New ...

Mercury is the month's highlight, reaching greatest elongation July 4. Also on show in the Southern Hemisphere: Mars, Saturn, ...

Today in the history of astronomy, an asteroid flattens 830 square miles of Siberian forest.

This book, Délimitation Scientifique des Constellations, authored by Belgian astronomer Eugène Delporte and published in 1930, established the boundaries of the 88 present-day constellations.