Researchers at the University of Geneva have confirmed the existence of an Earth-sized exoplanet orbiting in the habitable zone of Proxima Centauri, the closest star to our sun.

NASA’s AIM spacecraft spotted wisps of the 2020 season's 1st noctilucent, or night-shining, clouds over the Arctic on May 17.

Scientists in Europe have found that some features on Mars that were thought to be lava flows may actually have been flows of muddy water.

Scientists studying data from the Curiosity rover have found evidence for an ancient ice-covered lake in Gale Crater on Mars. The findings support the theory of alternating warmer and colder climates on early Mars.

In the search for the hypothetical 9th planet in our solar system, these scientists may have uncovered another explanation for the patterns in the orbits of Kuiper Belt objects.

On May 28, 29 and 30, 2020, use the moon to locate Leo the Lion and its bright star Regulus. The name Regulus means "little king."

When pollen is scarce, bumblebees pierce the leaves of plants in order to force them to produce flowers more quickly, according to new research.

Astronomers used the ALMA telescope in Chile to observe irregular flickers in millimeter-waves from the center of our Milky Way galaxy: the twinkling heart of the galaxy.

The young moon returned to the evening sky this weekend, to sweep past the bright planets Venus and Mercury.

These next few evenings - May 26 and 27, 2020 - the moon moves out of the constellation Gemini and into the constellation Cancer. The lit side of the waxing crescent moon serves as your arrow in the sky, pointing right at the planet Mercury. Mercury may be visible to the eye alone around an hour after sunset.