Must-see drone video shows bright red and orange lava hissing as it spills from a fissure on Mount Etna in Italy.

An anal fissure is a tear in the lining of the anal canal, or a cut or tear in the anus region, that extends into the anal canal. It can result from constipation, anal sex, infections, and other ...

What Are the Symptoms of Anal Fissures? An anal fissure is a tear in the lining of your anus or anal canal, the lowest part of your intestinal tract. It can make bowel movements very painful and can ...

Like other injuries, the signs that an anal fissure is healing are when it no longer bleeds or causes pain and when the wound starts to close. Anal fissures may heal at different rates depending on ...

Reykjavik — Icelandic authorities said Friday that a second fissure had formed on the southwestern Reykjanes peninsula after lava started spewing forth for the sixth time in the region since December.

At first, the ground crack is a few inches wide, as it cuts south from a dirt road through mesquite-and-creosote flats about a dozen miles south of Eloy. Slowly, it opens up, at times wide enough to ...

PAHOA, Hawaii -- New lava fissures, ground deformation and abundant volcanic gases indicate eruptions on the eastern flank of Hawaii's Kilauea volcano are likely to continue. Authorities said three ...

An anal fissure is a small tear in the thin, moist tissue (mucosa) that lines the anus. An anal fissure may occur when you pass hard or large stools during a bowel movement. Anal fissures typically ...

Treating an anal fissure typically involves practices that help the area heal, like using a sitz bath or taking stool softeners. Other times a doctor may recommend medication or a medical procedure.