The intermittent nature of solar energy poses challenges to grid stability, making accurate ultra-short-term solar irradiance ...

On Jan. 6, when Saturn passes closest to the south-southeast of 20 Psc, it is equidistant from 20 and 24 Psc, 0.9° from each.

From auroras at 36,000 feet to comet flybys and eclipses, these are the standout images our readers shared with Space.com in ...

“As soon as I sit down, she throws the ultrasound in my lap and says, ‘Are you kidding me?’ I catch it, and there’s two circles on it,” the SMU head coach said in a recent interview with The Dallas ...

In 2026, there will be journeys to the moon and Mars, new visions of the cosmos and a solar eclipse that might be worth ...

New observations of a nearby red giant star suggest that a long-standing explanation for how giant stars spread life’s ...

A new study questions dark energy's role in the universe's acceleration, suggesting it may be weakening instead.

As we look ahead to 2026, the celestial spectacle is far from over. There is a strong chance that the vivid purples, reds, ...

An international team of astronomers have recently observed a dramatic event unfolding in the heart of NGC 3783, a spiral galaxy located about 130 million light-years from Earth. At its centre lies a ...

One of the zodiac’s subtler constellations comes into view on winter evenings, with the moon helping to point the way ...