A commercial Cygnus cargo freighter departed the International Space Station (ISS) this morning (Feb. 19) after successfully resuming America's train of resupply runs absolutely essential to the continued productive functioning of the orbiting science outpost.

Astronomers use the Hubble Space Telescope to pin down the rotation rate of an exoplanet 170 light years from Earth where it rains rock dust and iron droplets.

The Sun causes the destruction of asteroids at a much greater distance than previously thought.

The Antlia constellation. located in the southern hemisphere, is one of the more recently discovered members of the

KENNEDY SPACE CENTER, FL - Nearing the final days of his history making one-year-long sojourn in orbit, space farming NASA astronaut Scott Kelly harvested the first ever crop of 'Space Zinnias' grown aboard the International Space Station (ISS) on a most appropriate day - Valentine's Day, Sunday, Feb. 14, 2016.

A Gamma Ray Burst detected from the same source as last week's gravitational waves requires a new understanding of the black holes involved. But was the GRB even real?

For the first time in 25 years, a woman has won Canada's top science award. Dr. Victoria Kaspi is a pulsar researcher from McGill University and has helped our understanding of these amazing objects.

The planets of our Solar System vary considerably in terms of density, which is crucial in terms of its classification and knowing how it was formed.

China's new radio telescope will be the largest in the world, and will help in the search for alien life.

Exotic "Diamond Planet" gets even more exotic with the discovery of a hydrogen-rich atmosphere.

NASA GODDARD SPACE FLIGHT CENTER, MD - A time-lapse video newly released by NASA documents the painstakingly complex assembly of the primary mirror at the heart of the biggest space telescope ever conceived by humankind - NASA's James Webb Space Telescope (JWST).

Russian scientists say design work has already begun on missiles designed to destroy incoming asteroids.

Some great images of the dawn alignment of Mercury, Venus, Mars, Jupiter and Saturn, with a very special sneak peek at all the planetary action to come in 2016.

Messier Object 3 (aka. NGC 5272), a globular cluster located in the constellation of Canes Venatici, is one of the brightest clusters in the sky.

Watch the Moon as it crosses the Hyades star cluster tonite, and occults the bright star Aldebaran for observers in the United States northwest.