Night thunderstorms: Top things to know

For anyone who's been stirred out of bed in the middle of the night by a clap of thunder: Here's info about those intense storms that happen after the sun sets.

6.9-magnitude strikes Alaska’s Aleutian Islands

This region is on the Pacific Ocean's 'ring of fire' - where great land plates meet and one dives beneath another - and so is subject to frequent earthquakes.

Latest images of Pluto’s flowing ice

Latest images from NASA's July 14, 2015 flyby of Pluto by the New Horizons spacecraft, showing evidence of an active surface on Pluto with flowing nitrogen ice.

Infographic: Pluto!

Pluto info at a glance, from our friends at space-facts.com.

Pulsar punches hole in stellar disk

Two stars in a double system are not playing nice. One star, a pulsar, has punched a hole in the disk of the other, sending debris outward at 7% of light speed!

Kepler-452b is older, bigger Earth cousin

The Kepler mission has confirmed the first near-Earth-size planet in the habitable zone - or zone where liquid water can exist - around a sunlike star.

Good news! More sharks!

White shark populations are growing. Here’s why that’s good news.

What black holes like to eat

Astronomers have caught a monster black hole in the act of eating a star. But, they say, stars are not standard fare for black holes.

More ice mountains in Pluto’s heart

A second range of ice mountains has been found on Pluto, in images from New Horizons.

New NASA video on flood prediction

Predicting flooding is notoriously difficult, but predictions are improving. Timely video in light of James Hansen's prediction this week of catastrophic flooding in New York and other coastal cities before the end of this century.