The Dream Chaser spaceplane is designed to bring supplies to the International Space Station and land 11 to 15 hours after it ...

Comets PanSTARRS and Olbers are visible in the evening sky and the Moon briefly covers a bright star in the sky this week.

The northern lights have fascinated mankind since at least 957 B.C., more than 2,000 years before Galileo coined the term ...

Pasquale Panuzzo of the French National Center for Scientific Research (CNRS) was among a team of astronomers routinely ...

A newly released study of unusual asteroid orbits strengthens the case for the hypothesized distant, massive Planet Nine.

Data from the James Webb Space Telescope (JWST) has shown that exoplanet K2-18b has some of the chemical markers that may ...

With perseverance and hard work, one photographer’s journey shows how teamwork is expanding the bounds of astroimaging.

For instance, astronomers have come up empty using JWST to search for atmospheres around planets in the TRAPPIST-1 system.

The Moon moves down an early-morning line of planets while Eta Aquariid meteors streak through the sky this week.

The spiders on Mars form during the planet's springtime when temperatures rise and rays of sunlight touch the ice layers of ...

The evening sky loses its last planet early in May, shifting the attention of planetary observers to the morning.

If the JWST can see galaxies billions of light-years away, why can’t it find the proposed Planet X in our solar system?