CAPE CANAVERAL AIR FORCE STATION, FL — Riding atop the crackling roar of an Atlas V rocket, a clandestine surveillance satellite for our nation's spy masters was carried aloft by a powerful booster from the Florida space coast to an undisclosed orbit at breakfast time today, Thursday, July 28.

The Bohr atomic model (sometimes known as the Rutherford-Bohr atomic model) was a major milestone in the development of modern atomic theory

Set your alarm for Friday morning at dawn when the crescent Moon will either cover up, barely miss or pass in splendid conjunction with Aldebaran, the brightest star in Taurus.

Scientists at NASA"s Goddard Space Flight Center are developing the photon sieve, a small, inexpensive device designed to study the Sun's corona

CAPE CANAVERAL AIR FORCE STATION, FL — The nation's newest surveillance satellite is all set for a brilliant breakfast blastoff on Thursday July 28 atop a powerful Atlas V rocket from the Florida Space Coast - and both the booster and weather are in excellent shape at this time!

In both the course of a year, and over the course of millennia, Earth experiences variations due to the fact that its axis is tilted

Scientists have found a bit of a mystery at the dwarf planet Ceres. In the rough and tumble environment of the asteroid belt, ancient Ceres was certainly pummeled by numerous large asteroids during its 4.5 billion-year lifetime. But yet, there are just a few large craters on found there.

Mars is not only further from the Sun than Earth, but has an eccentric orbit that leads to a great deal of variation in its seasons and surface temperature

Catch a rare conjunction of Mercury with the Moon next week, and an occultation for a very privileged few.

For the remainder of 2016, all payloads traveling to the US National Lab aboard the ISS will feature a mission patch with Marvel characters

Astronomers have theorized there could be an intermediate stage between neutron stars and black holes called quark stars. Are they out there?

Located in the southern Sagittarius constellation is the Trifid Nebula, a bright star-forming region and combination nebula

A comparison between the rocket that delivered the Apollo astronauts to the Moon, and the one that promises to deliver astronauts and colonists to Mars

MICHOUD ASSEMBLY FACILITY, NEW ORLEANS, LA - NASA has just finished welding together the very first fuel tank for America's humongous Space Launch System (SLS) deep space rocket currently under development - and Universe Today had an exclusive up close look at the liquid hydrogen (LH2) test tank shortly after its birth as well as the first flight tank, during a tour of NASA's New Orleans rocket manufacturing facility on Friday, July 22, shortly after completion of the milestone assembly operation.

The asteroid that punched an "eye" in the Moon is about 10 times more massive than originally thought. Researchers say a protoplanet-sized body slammed into the Moon about 3.8 billion years ago, creating the area called Imbrium Basin that forms the right eye of the so-called "Man in the Moon."

With a long history of contributing to space exploration, the Canadian Space Agency is looking for the next generation of Canadian astronauts

With the upcoming test of the Falcon Heavy rocket, SpaceX is looking to expand its facilities by introducing two new landing pads