The latest data from the crippled Kepler space telescope point to three distinct molds of exoplanets — rocky planets, gas dwarfs, and ice or gas giants — distinguishable based on the level of heavy elements in their host star’s atmosphere.
A new study finds every stage of star formation in a single cloud, firmly backing a popular star-formation recipe.
New analyses suggest that observations heralded as evidence for the universe’s brief growth spurt don’t conclusively show what researchers thought they did.
The Moon meets Mars and Saturn in the evening sky this week.
Days are longest and nights shortest during June. But you can still get an eyeful of celestial sights with Kelly Beatty’s guided audio tour.
Look a little deeper into the summer sky with our new e-book, Summer Deep-Sky Observing. We’ll have you happily busy at your telescope all season long!