The combination of the elliptical orbit, affecting the speed of the planet, and the axial tilt, causing the length of ...

Scientists believe Mars once looked very different from the cold, dry world it is today, and MAVEN was launched to ...

The James Webb Space Telescope has been helping scientists explore the cosmos for years now, but there are still plenty of ...

A study using NASA’s TESS data finds that aging Sun-like stars lose close-orbit planets as they evolve, offering insight into the long-term fate of planetary systems ...

On March 31, SpaceX launched the private Fram2 mission, which sent four private astronauts on a 3.5-day mission to Earth ...

Sunday is the shortest day of the year north of the equator, where the solstice marks the start of astronomical winter. It’s ...

Tis the time of year for making merry, and also for changing seasons. That’s what we’re doing today, Sunday, Dec. 21, at 9:03 ...

Humanity has sent into space everything from lightsabers and Tesla Roadsters to golden records and entire digital genetic ...

At the Northern Hemisphere’s winter solstice the upper half of the Earth is at its furthest lean away from the sun — leading ...

Learn how to watch interstellar comet 3I/ATLAS as it makes its final flyby of Earth today at 153,000mph before disappearing ...

For the roughly seven billion inhabitants of the Earth’s Northern Hemisphere, this weekend brings a significant seasonal ...