Astronomers have uncovered the long-hidden cause behind Betelgeuse’s strange behavior: a small companion star carving a visible wake through the giant’s vast atmosphere. Using nearly eight years of ...

Using muon spin rotation spectroscopy, researchers from Japan and Canada have successfully captured the rapid conversion of ...

Astronomers working with the Hubble Space Telescope have identified an entirely new type of cosmic object. It is a cloud rich ...

The mission — known as Payload for Ultrahigh Energy Observations, or PUEO — lifted off Dec. 20, 2025, from NASA’s launch ...

They expect that this dark matter cloud, technically a Reionization-Limited H I Cloud (RELHIC), is a primordial remnant of a ...

NASA Hubble observations from late 2023 to early 2024 document measurable size, shape, and motion changes in Jupiter’s Great Red Spot over one oscillation cycle.

When a black hole spins rapidly, it drags the space around it, akin to a whirlpool in water. This phenomenon is called ...

In observations conducted between April 5 and April 10, 2017, the team looked at the relativistic jet produced by OJ 287, a ...

Launched on Jan 9, 2024, China's Tianguan satellite celebrates two years of stable operations and sustained science in orbit ...

Scientists have measured that Jupiter releases more internal heat than it absorbs from the Sun, based on observations of its structure, rotation, and atmospheric behavior.

Scientists discover asteroid spinning once every 1.88 minutes—the fastest rotation ever found for a large space rock. Five ...

Pandora, a University of Arizona satellite, is locked and loaded for launch into space, which is just hours away.