Kepler Data Suggests 17 Billion Earth-Sized Worlds in the Milky Way
According to a new study presented at the American Astronomical Society, one in six stars has an Earth-sized planet in an orbit of 85 days…
According to a new study presented at the American Astronomical Society, one in six stars has an Earth-sized planet in an orbit of 85 days…
Astronomers have discovered one of the oldest stars in the known universe. They believe it is at least 13.2 billion years old and formed shortly…
Based on data from NASA’s Galaxy Evolution Explorer mission, a team of international astronomers has declared barred spiral galaxy NGC 6872 the largest-known spiral galaxy….
A new study examines the probability of life existing on extrasolar moons, identifying tidal heating as a criterion for exomoon habitability and devising a theoretical…
Using the Herschel Space Observatory, scientists gathered new data on the asteroid Apophis, an asteroid that will make a recording-setting close approach to Earth and…
By using the Hubble Space Telescope and Spitzer Space Telescope to simultaneously view the brown dwarf planet 2MASSJ22282889-431026, a team of astronomers has created a…
A new Hubble image has allowed scientists to calculate the orbital motion of the planet Fomalhaut b, finding that the orbit takes the planet as…
A newly published study found that astronauts going to Mars could have trouble sleeping, become lethargic, and have problems with mental tasks over the course…
NASA’s Nuclear Spectroscopic Telescope Array is providing scientists with greater sensitivity and imaging capability and giving them new information on a wide array of cosmic…
While using the 305-meter William E. Gordon Telescope at Arecibo, researchers discovered an outburst in spiral galaxy NGC 660 that was ten times brighter than…
By looking for a dip in the brightness as planets pass in front of their parent stars, volunteers have discovered 15 new planet candidates orbiting…
Over the holidays, NASA’s Curiosity rover returned new images of “Snake River” and is now in a shallow depression called “Yellowknife Bay.” This is the…
A new Hubble image shows galaxy NGC 5011C, which astronomers now believe is a dwarf galaxy and not a member of the distant Centaurus Cluster…
New images from NASA’s reveal that large impacts of asteroids may have altered Vesta’s shape and transferred carbonaceous material to the protoplanet and inner solar…
In a newly published study, an international team of astronomers describe how they detected and mapped outflows of charged particles from the center of our…
Researchers discovered a new class of Martian meteorite in the Sahara Desert that contains 10 times more water than other Martian meteorites from unknown origins,…
By analyzing planets orbiting a star called Kepler-32, astronomers at Caltech estimate that there are at least 100 billion planets in our galaxy. Look up…
Using the ALMA telescope, scientists have made the first direct observations of the streams of gas that flow across a gap in the disc of…