A new study suggests a series of supernovae - peaking 2.6 million years ago - might have triggered earthly events that promoted proto-humans’ upright walking.

We weren't sure anyone would capture the slim crescent moon and Venus on June 1, much less June 2. They were so very near the sunrise. But the EarthSky Community came through with some of the best photos yet.

Will Elon Musk's plan to launch 12,000 Starlink satellites - aimed at bringing internet access to the world - interfere with astronomy? Astronomer Guy Ottewell ponders this question.

Since mid-May, the central and eastern U.S. have seen their biggest outbreak of tornadoes since 2011, with more than 366 twisters sighted.

Atlantic hurricane season begins June 1 and ends November 30. Here's how forecasters make predictions, whether to stay or evacuate, what kinds of risks extend inland, and how your social networks can help or hurt you.

Map of the US East Coast showing the tracks of hurricane systems from 1900-2015.

April 2019 was the 2nd-hottest April in the climate record, dating back to 1880, and the period from January-April was the 3rd-hottest year-to-date on record. In the Arctic, sea ice coverage shrunk to a record April low.

New analyses of satellite data show that the start of the spring growing season in northern Europe has advanced by 0.3 days per year from 2000 to 2016.

Jezero crater on Mars, where the NASA Mars 2020 rover will be exploring.

A hundred years ago today, Einstein’s theory of gravity was first put to the test when Arthur Eddington observed light “bending” around the sun during a solar eclipse. A century later, scientists are still searching for the limits of the theory.