Stars

These Newly-Discovered Planets are Doomed

Astronomers have spied three more exoplanets. But the discovery might not last long. Each planet is in a separate solar…

7 days ago

A Star Passed too Close and Tore Out a Chunk of a Protoplanetary Disk

When it comes to observing protoplanetary disks, the Atacama Large Millimetre/sub-millimetre Array (ALMA) is probably the champion. ALMA was the…

1 week ago

Astronomers Discover a Totally New Kind of Nebula

Most Universe Today readers are familiar with nebulae. They're gaseous structures lit up with radiation from nearby stars, and they're…

3 weeks ago

Astronomers See a Star Crash Through the Planetary Disk of Another Star

What causes an otherwise unremarkable star to become over 100 times brighter? That's a question astronomers have been pondering since…

1 month ago

Even Really Massive Stars Seem to Have Planets

Can planets form around massive, hot stars? Some astronomers think they can't. According to the evidence, planets around stars exceeding…

1 month ago

Giant Stars and the Ultimate Fate of the Sun

Astronomers have a new tool to help them understand giant stars. It's a detailed study of the precise temperatures and…

2 months ago

New Hubble Image Shows Dark Cocoons Where New Stars are Forming

Star formation is a complex process. But in simple terms, a star forms due to clumps and instabilities in a…

2 months ago

What’s Snuffing Out Galaxies Before Their Time?

In the Milky Way, the formation rate of stars is about one solar mass every year. About 10 billion years…

3 months ago

Hubble Reveals the Final Stages of a Dying Star

In April 2021 Hubble released its 31st-anniversary image. It's a portrait of AG Carinae, one of the most luminous stars…

4 months ago

Astronomers Discover an Intermediate-Mass Black Hole as it Destroys a Star

Supermassive black holes (SMBH) reside in the center of galaxies like the Milky Way. They are mind-bogglingly massive, ranging from…

4 months ago