A total lunar eclipse is the highlight of the month. For planetary action, Jupiter is well placed most of the night and there are many events involving its Galilean moons. Soon after sunset, brilliant ...

A new paper in Monthly Notices of the Royal Astronomical Society argues the simplest answer may work: contact binaries like Arrokoth can form directly during the gravitational collapse of a dense ...

In 1978, NASA scientist Donald Kessler warned that unchecked satellite collisions could trigger a runaway chain reaction in orbit. Today, rising debris, anti satellite tests, and mega constellations ...

Research adds weight to theory Arrokoth’s two lobes produced by gravitational collapse – and reveals process ...

When NASA’s Dawn spacecraft reached Vesta in 2011, it found a 500-kilometer-wide world scarred by two planet-scale impacts. One crater stretches over 100 kilometers across and rises 20–25 kilometers ...

Sky This Week is brought to you in part by Celestron. Friday7Asteroid 7 Iris reaches opposition at 1 P.M. EST today. Now ...

Pluto will complete its first orbit since 1930 in 2178, a historic 248-year space journey that spans generations of humans.

ISTANBUL, Feb 17 (Bernama-Anadolu) -- Russia, China and Iran have deployed naval vessels for joint exercises in the Strait of Hormuz, Russian presidential aide Nikolay Patrushev said on Tuesday, ...

No one loves a good debate quite like baseball fans, and with that in mind, we asked each of our beat reporters to rank the ...

An astronomy professor explains what exoplanets are, why he keeps looking for them and how Israel intercepts missiles “in ...

Rubin Observatory begins sending hundreds of thousands of nightly alerts as it prepares for its 10-year sky survey, tracking supernovae, asteroids, galaxies and other changing objects in near real ...

The exhibit runs through June 7 at the Cranbrook Institute of Science.