How Far is Mercury From the Sun?
Mercury is the sun's closest planet, but it has a bizarre orbit.
Mercury is the sun's closest planet, but it has a bizarre orbit.
The European Space Agency''s Copernicus Sentinel-1A satellite was struck a millimetre-sized particle on Aug. 23, 2016. The solar array was damaged but there was only a minimal power loss. It also experienced a slight change in orientation as a result
Find out where you can find Mercury, Venus, Saturn and Mars in the night sky this month. The constellations of Aquarius and Capricornus are great targets this month and an annular solar eclipse will be visible in parts of Africa.
On September 1st, 2016, parts of Africa will see an annular solar eclipse, which occurs when the Moon if further away from the Earth in its orbit. Some parts of the continent will see a partial eclipse.
Cape Canaveral, on Florida's east coast, is the hub of the U.S. space program, and home to two major launch facilities.
A spectacular "ring of fire" solar eclipse will darken skies over Africa early Thursday morning (Sept. 1), and people anywhere in the world can watch the event live during a free webcast by the Slooh Community Observatory.
NASA has just discovered a group of galaxies far, far away — so far that it set a record for the most distant ever discovered. The cluster of galaxies, named CL J1001+0220 (or CL J1001 for short), resides a whopping 11.1 billion light-years from Earth.
China is readying its next piloted space mission, a multifaceted undertaking that will lay the foundation for the country to build a space station in Earth orbit in the 2020s.
If recent findings on Earth are any guide, the oldest rocks on Mars may have signs of ancient life locked up inside.
Sorry, ET fans: The mysterious signal detected by a Russian radio telescope last year probably had an Earthly cause.
The Search for Extraterrestrial Intelligence (SETI) Institute's senior astronomer says that they "used the Allen Telescope Array for two nights looking for the signal" that was reported to have been transmitted from a star system 94 light years away
It's not often that you can get promoted, commended and even awarded for failing to do your job. But that's just what happened to the discoverers of the key evidence supporting the Big Bang theory.
New Horizons captured images of the mysterious, 690-mile-wide dwarf planet Quaoar at four different times on July 13 and July 14 — exactly one year after the probe's historic July 14, 2015, flyby of Pluto.
European Space Agency (ESA) engineers reported today (Aug. 31) that a solar panel on the Copernicus Sentinel-1A satellite was hit by a millimeter-size particle in orbit on Aug. 23.
Cameras mounted on the outside of the International Space Station captured amazing views of three powerful hurricanes as they whisked across the Atlantic and Pacific Oceans on Aug. 30. The tropical storms generated incredibly powerful winds.
Astronomers don't yet have enough information to know whether or not the newfound world Proxima b is capable of supporting life as we know it.
A solar eclipse in March 2015 produced a slight but noticeable drop in temperature in the Norwegian archipelago of Svalbard, a new paper shows — and the team's getting ready to observe another eclipse tomorrow.
Mercury is the smallest planet, but it is very dense.
For the first time, the Rosetta spacecraft has analyzed pristine samples of dust from the comet it orbits, characterizing five tantalizing dust grains whose structure offers insight into the formation of comets and objects in the early solar system.