Pluto should be classified as a planet again, scientists argue

A new study is reigniting the debate over Pluto’s status as a dwarf planet — a clash that has been going for 15 years.

Largest cluster of rogue planets discovered by astronomers

A team of astronomers has discovered nearly 70 rogue planets— cosmic objects that resemble a planet but do not orbit a star.

James Webb Space Telescope, world’s largest and most powerful, launched Christmas morning

NASA's James Webb Space Telescope launched successfully early Christmas morning from French Guiana on South America’s northeastern coast, riding a European Ariane rocket into the sky.

James Webb Space Telescope: How to watch launch of Hubble's successor

The James Webb Space Telescope, Hubble’s more powerful successor, is scheduled for liftoff on Christmas morning. Here’s how to watch.

Velociraptor's ancient relative: Fossils from 125M years ago discovered in UK

Fossils of the velociraptor’s ancient relative from more than 100 million years ago were unearthed in the U.K. and detailed in a new study.

‘Baby Yingliang’: Preserved fossilized dinosaur egg discovered in China

“Baby Yingliang” is a well-preserved fossilized dinosaur egg that has given scientists another link between prehistoric creatures and modern birds.

2021 Ursid meteor shower: Where, when to see the celestial event

The Ursid meteor shower happens every year and is considered a “low-key” affair because usually only between 5 and 10 meteors can be seen per hour, which is considered a small number.

New snake species discovered thanks to Instagram post

Oligodon churahensis is the newest snake species after a university student unknowingly posted a picture of it on Instagram in June 2020.

NASA spacecraft ‘touches’ sun for first time ever, flew through star's upper atmosphere

It took a few months to get the data back, but NASA was finally able to confirm its spacecraft officially touched the sun and flew through its atmosphere, known as the corona.

Sequoia National Park opens Giant Forest that survived fire

Sequoia National Park will reopen its Giant Forest area on Saturday, three months after a Northern California wildfire prompted extraordinary efforts to protect the grove and destroyed thousands of other redwoods.

4660 Nereus, asteroid the size of the Eiffel Tower, to fly past Earth

Asteroid 4660 Nereus is expected to come within 2.4 million miles of Earth on Dec. 11, which is close in asteroid terms. Here’s what to know about it.