Mars and Jupiter conjunction on May 29
You can view the Mars and Jupiter conjunction before sunrise on the morning of May 29. The two planets will appear about a full moon's width apart.
The sun as you’ve never seen it
ESA's Solar Orbiter reached perihelion, its closest point to the sun, in March. Here are stunning closeup images as never seen before.
Brightest Stars

Polaris is the North Star

Many people think Polaris is the brightest star, but it's only 50th in brightness. Still, Polaris is famous because the entire northern sky wheels around it.
Human World

Scientists grow plants in lunar soil

Scientists were able to grow plants in lunar soil. They weren't quite as robust as those grown in earthly soil. But it's a key step for future space missions.

Boeing’s Starliner delivers cargo to ISS

Boeing’s Starliner has arrived at the International Space Station. Watch the hatch opening on NASA Live at this post today at 11:30 EDT.
Human World

Video: Starlink satellite train passes over

A sky photographer captured the a train of Starlink satellites on May 16, 2022, two days after Spacex launched them on May 14, 2022.

You can hear an aurora (even when you can’t see it)

A researcher recorded sounds of the aurora - cracks and pops - during moderate geomagnetic activity even when there was no aurora visible.

Meet Musca the Fly, a southern constellation

Musca the Fly is a constellation that lies deep in southern skies and circles the south celestial pole, making it visible any night of the year.

Voyager 1 mystery: Sending random data

Voyager 1, the most distant humanmade object from Earth, has been sending back strange data, a mystery scientists are trying to solve.

The deep ocean is warming as climate warms

The oceans have absorbed about 90% of Earth's warming. Researchers found much of the excess heat is stored in the deep ocean of the subtropical North Atlantic.