Another planet-size object may be orbiting beyond Pluto in the far, icy reaches of the solar system.
A new understanding of how jets of plasma explode from the surface of the sun could help scientists crack one of the biggest mysteries surrounding our nearest star.
New NASA mission ideas would investigate the gassy environments of Uranus and Neptune, two planets on the edge of the solar system that spacecraft have visited only once.
The total solar eclipse that will sweep across the U.S. on Aug. 21 may very well be the most-watched solar eclipse in history, NASA scientists said at a news briefing in Washington, D.C. on Wednesday (June 21).
Find out what happened today in space on June 22, 2000 when NASA's Mars Global Surveyor spacecraft found evidence of present-day liquid water on Mars.
French astronaut Thomas Pesquet plays his saxophone in the Cupola observatory at the International Space Station. The instrument was delivered to the space station as a surprise birthday gift for the astronaut, who returned to Earth on June 2.
One of Hollywood's top directors will step into helm Han Solo.
The United States Mint will honor the important roles that Native Americans have held in the U.S. space program with the issuance of a dollar coin in 2019.
Lasers are helping scientists conduct highly precise measurements and observations on Earth, in orbit around our planet and in space.
A high-altitude balloon flight that would have carried a chicken sandwich to the edge of space has been delayed again, due to wind conditions on the ground.
Lawmakers took the first step towards establishing a 'Space Corps' within the Air Force — similar to the way the Marine Corps functions in the Navy — by drafting legislation that would require the new organization to be set up by January 1, 2019.
The European Space Agency has selected an ambitious space-based gravitational-wave observatory as its next large space science mission, scheduled for launch by 2034.
Intelligent, extraterrestrial life could be advanced in ways that would stymie efforts to find them.
Astronomers will set the sights of the European Southern Observatory’s (ESO) 3.6-metre telescope at La Silla on nearby stars Proxima Centauri, Barnard's Star and Ross 154.
A Kentucky Fried Chicken sandwich is scheduled to travel into the stratosphere on Thursday (June 22) aboard one of World View Enterprise's Stratollite high-altitude balloon systems.
NASA's Europa Clipper mission would fly by the icy moon of Jupiter to investigate whether the satellite possesses the ingredients necessary for life.
From Poland's Marie Curie to Harlem’s Patricia Bath, Women in Science: 50 Fearless Pioneers Who Changed the World is an illustrated glossary that highlights the contributions women have made to the fields of science, technology, engineering, and math.
The Slooh community observatory will showcase the summer solstice today (June 21) and the upcoming Great American (or Transcontinental) Solar Eclipse at 5 p.m. EDT (2100 GMT). Watch live courtesy of Slooh.
Here is a look back at the brief history of advertising in space.
A new NASA video explains what determines when Earth experiences solar eclipses — and why they don't happen every month, as the moon crosses between the sun and the Earth.