If the sun suddenly went out, Earth would freeze, life would perish, and the solar system would unravel, but humanity might have left long before that day ...

This total solar eclipse will occur due to a rare alignment in which Earth will at the farthest point from the Sun, making the Sun appear slightly smaller.

For decades, scientists have puzzled over why Earth stayed warm and alive while Mars turned cold and dry. Both planets began ...

Using the European Space Agency’s Characterizing Exoplanets Satellite (CHEOPS) telescope, a team of astronomers ...

Astronomers have discovered the earliest seeds of rocky planets forming in the gas around a baby sun-like star, providing a ...

Astronomers have, for the first time, observed the very beginning of planet formation around a star beyond our Solar System. Using the James Webb Space Telescope and ALMA, researchers detected hot ...

Most comets, including the well-known Halley's, loop through our solar system like cosmic time capsules that formed alongside ...

In a cosmic breakthrough, scientists using the James Webb and ALMA telescopes have caught a rare glimpse of a planetary ...

An international team of physicists discovered the largest-ever merger of 2 black holes through a phenomenon known as gravitational waves.

NASA is getting ready to launch twin satellites for a study on the sun's energy, and a University of Iowa professor is ...

Ana’s Art Gallery: Downtown gallery features art from the Caribbean, Africa and beyond; 1100 Spruce St., Boulder; anasartgallery.com. Art and Soul Gallery: Downtown space that offers a selection of ...

Answer 17: A meteoroid is a small rocky or metallic body in space. A meteor is the streak of light produced when a meteoroid ...