The ringed planet reaches opposition, Mars slips past the open cluster M35, and the original Cepheid variable shines in the ...

The craft will return without its crew, who are staying on the International Space Station until February 2025.

When nighttime light disrupts the body’s natural rhythms, consequences may include a higher risk of Alzheimer’s disease, a ...

On August 2, 2027, a long total solar eclipse will wash over Egypt, the most incredible place I’ve seen on Earth.

The Moon may have had active volcanoes as recently as 125 million years ago, analysis of lunar samples indicates.

Venus lingers after sunset, Saturn and Neptune reach opposition, and Mercury makes its best morning appearance in the ...

The results are in line with theory — but the key to an accurate measurement was understanding how dusty the galaxy is.

Over decades of observations across a broad range of wavelengths, M31 has unlocked our understanding of the vastness of the ...

Waves that ripple through the solar wind may be the key to solving a decadeslong mystery, according to an analysis of ...

The Event Horizon Telescope (EHT) was designed to capture images of some of the most gargantuan structures in the universe — ...

Boeing Starliner astronauts Barry “Butch” Wilmore and Suni Williams will remain in space another six months, miss ...

Scientists first detected Ganymede’s aurorae from oxygen emissions approximately 20 years ago. The oxygen molecules are ...