425 results
False-color image of rare rectangular galaxy

Astronomy & Observing News

An Emerald-Cut Diamond in the Rough

Astronomers have discovered a rare, rectangular galaxy 70 million light-years away. The dwarf galaxy's unique history presents a challenge for current theories of galaxy evolution.

Astronomy & Observing News

The Ultimate Mobile Guide to Saturn

Our new SaturnMoons app guides you around the ringed planet as it brightens in the night sky in advance of an April 28th opposition. Learn about Saturn's bizarre satellite family, then find the moons in your own scope.

Stellar Science

New Fuel for Type Ia Supernova Debate

The origin of the stellar explosions known as Type Ia supernovae has been a topic of hot debate for decades. A new study adds fuel to the fire.

Celestial News & Events

May 20th's Solar Eclipse — S&T Reports

Two editors headed to California, and a third to New Mexico, for May 20th's solar eclipse. Read their reports, along with those from S&T readers and featured pictures from our online photo gallery. We want to hear from you too!

Milky Way

How Many Rogue Planets Are There in the Milky Way?

A new analysis suggests that "nomad" planets, ejected from their home stellar systems and now adrift in the icy dark of interstellar space., could outnumber stars by as many as 100,000 to 1.

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