Did the Hubble telescope find the 1st exomoon?

Astronomers have tantalizing new evidence for a possible Neptune-sized moon orbiting the gas-giant planet Kepler-1625b, some 8,000 light-years away.

Arctic sea ice reaches 2018 minimum

On both September 19 and 23, Arctic sea ice dropped to its minimum extent of 1.77 million square miles (4.59 million square km). The 2018 minimum ties for the 6th-lowest in the satellite record.

Breakthrough Listen brings ET search to Africa

Yuri Milner’s Breakthrough Listen program said it has added the MeerKAT telescope in South Africa to its global effort to listen for signals from an alien intelligence.

What we’ve learned from 50 years of ocean drilling

We know more about the surface of the moon than about Earth’s ocean floor. But analysis of core samples from the deep seabed has given us insights into climate change, Earth’s history, and the key conditions for life.

Matter falling into a black hole at 30% light speed

There may be misaligned disks of material rotating around the black hole. Rings of gas may be breaking off and colliding, leaving gas to fall directly towards the black hole at unfathomable speeds.

NASA balloon tracks electric blue clouds

A balloon mission flying over the North Pole captured 6 million images of these bright blue noctilucent clouds in their home in the upper atmosphere.

Latest images via Japanese rovers on asteroid Ryugu

Japan’s space agency JAXA released new images today from the rovers set down on the surface of asteroid Ryugu by the Hayabusa2 spacecraft.

Powerful jet from the wrong kind of star

Astronomers had theorized that strong magnetic fields prevent jets from forming. Then they found a strongly magnetic neutron star with a jet.

What are haboobs? Amazing pics and videos

Dust storms, also known as haboobs, occur when winds from dying thunderstorms push downward and pick up sand and dirt across desert areas. Amazing pics and video from last summer’s haboobs in Arizona, here.

How scientists know our seas are rising faster

Sea levels have been rising since the end of the last Ice Age. But, as climate warms, the rate of the rise is accelerating. A new ESA video explains how we know.