A group of international astronomers have discovered three mysterious, ultra-massive galaxies in the early universe. The ...

The Proba-3 mission consists of two spacecraft that will fly in close formation to study the sun, with the shadow of one ...

Astronomers have used the James Webb Space Telescope to observe three early ultra-massive galaxies, formed shortly after the ...

NASA and Russia at odds over cause and severity of the International Space Station's leak risks, including possibility of ...

However, due to the location of the object near the edge of two adjacent fields, the candidate was recognized as a moving ...

Tuesday marks the tenth anniversary of a huge astronomical milestone: the first and only time we have landed on a comet. The ...

The upper stage for Europe's newest rocket Ariane 6 passed its final tests at ESA's facilities in the Netherlands last week, ...

The roughly six-hour flyby in 1986 revealed Uranus' protective magnetic field was strangely empty. Now, researchers say that ...

The results of our study provide the first solid evidence that globular clusters formed through multiple star-formation ...

Arizona Superintendent of Public Instruction Tom Horne says his department has “an overwhelming problem” trying to process ...

In a huge upset for Democrats hoping to curb growth of private school vouchers, GOP lawmakers to lead both houses.

The European Space Agency (ESA) faces a crossroads as it works to prepare flights of the Vega-C and Ariane 6 as early as this ...