Lisa Grossman

Firefly Aerospace landed a craft safely last week, a first for a private company. But Intuitive Machines’ mission ended when its lander wound up on its side in a crater.

The disc of plasma surrounding the black hole at the heart of the Milky Way is constantly emitting flares both large and small.

Scientists are losing funding and even their jobs under the new Trump administration. Researchers at the AAAS meeting shared fears and coping strategies.

A blast of radio waves from the outskirts of an ancient galaxy challenges theories about what creates such bursts.

A flash of light called the Platypus has hallmarks of a mid-sized black hole shredding a star and a type of burst thought to be a stellar explosion.

High radiation during a time of frenzied star formation in the Milky Way left one stellar population with few chances to form planets, a study reports.

Astronomers have determined the internal composition of a distant, disintegrating planet for the first time.

When Pluto met Charon, there was an instant connection, new simulations suggest.

The solar probe came within 6.1 million kilometers of the surface of the sun and lived to tell the tale.

A lot is unknown, but the roles of billionaires like Elon Musk and Jared Isaacman suggests a focus on human and private spaceflight.