NASA’s Transiting Exoplanet Survey Satellite (TESS) has been used to discover Earth-size planet TOI 700 e. It is "orbiting ...

A passing star has been discovered that could cause chaos in the Solar System, sending Earth flying out of orbit.

A paper by astronomers Nathan Kaib and Sean Raymond released earlier this month used new simulations to determine how likely ...

Mercury, for instance, is already the wild card of the inner planets. Its orbit grows more eccentric over time, increasing ...

WASHINGTON >> Scientists have identified an object about 435 miles (700 km) wide inhabiting the frigid outer reaches of our solar system that might qualify as a dwarf planet, spotting it as it travels ...

The possible merger of humans and machines has been a fascination for science fiction writers since the mid-20th century. With the proliferation of co ...

In the Northern Hemisphere, June 20 is the day on which the sun is highest in the sky, aka the summer solstice! This is the ...