If you've never sighted this rocky little world for yourself, you'll never get a better opportunity than right now to see it.

A rocky exoplanet outside the Earth's solar system may have an atmosphere, according to new evidence gathered by NASA ...

The European Southern Observatory's Extremely Large Telescope is set to have full scientific operations commencing by December 2030.

This is the strongest evidence yet of a rocky planet beyond our solar system with an atmosphere. Astronomers using the James ...

Early on March 3, a total lunar eclipse turns the moon a deep copper color. This “blood moon” will be visible across large ...

James Webb finds a hot planet that is tidally locked with its parent star, is coated with a thick atmosphere of volatile ...

TRAPPIST-1e, an Earth-sized world in the system’s habitable zone, is drawing scientific attention as researchers hunt for ...

No, not that Nancy Grace. NASA's newest space telescope, named after the agency's first Chief of Astronomy, is physically ...

Mercury, often considered the “elusive planet,” is notoriously difficult to observe due to its proximity to the Sun. However, ...

The Gemini South telescope is located on Cerro Pachón mountain in the Chilean Andes, at an elevation of over 2,700 meters ...

There are a host of celestial events to get excited about next year – including a total solar eclipse. Abigail Beall is ...

More studies are needed to determine whether TRAPPIST-1e has an atmosphere at all, or the hints of methane are linked to the ...