An international team including astronomers from the Center for Astrophysics | Harvard & Smithsonian (CfA) has announced the ...

At 45, Nikku Madhusudhan has made the discovery of a lifetime. How did he know exactly where to look? What else could the ...

Jupiter is the largest planet in the solar system. It's about 11 times wider than Earth with an equatorial diameter of 88,846 ...

Astronomers have spent decades trying to find Earth-like planets beyond our solar system. These worlds are small, cold, and ...

The morning of April 24 will give rise to a striking mini-planetary parade, as Mercury, Venus, Saturn, Neptune, and Earth's ...

The planet is "crumbling to pieces," shedding the equivalent of Mount Everest’s mass every 30.5-hour orbit and will be ...

The Hubble Space Telescope time-lapse captured footage of Jupiter, Saturn, Uranus and Neptune. Credit: SCIENCE: NASA, ESA, ...

Skywatchers worldwide are in for a charming cosmic display before the Sun rises Friday, as three celestial bodies will appear in close conjunction.

On April 24, 1990, the Space Shuttle Discovery blasted off from Kennedy Space Center, carrying the new Hubble Space Telescope ...

The internet has been abuzz with the possibility of sky watchers seeing a “smiley face” in the eastern sky above the horizon ...

Researchers have developed a new coronagraph that could make it possible to see distant exoplanets obscured by light from their parent stars.

New research suggests meteor showers are so unpredictable due to the Sun’s own motion around the solar‑system barycenter.