3 Sumatran tigers killed by animal traps as worldwide numbers dwindle to 400

Three critically endangered Sumatran tigers are dead after being caught in traps in Indonesia. Only about 400 are left in the wild, experts say.

What a toxic inferno like Venus can tell us about Earth

Venus is a fiery world with sulfuric acid clouds and a toxic atmosphere fueled by a runaway greenhouse effect, but scientists believe that about 800 million years ago, it could have been more like Earth.

Airlines to allow passengers banned over masks back on planes

Now that most airlines have made masks optional in the U.S., here's where the four largest stand on bringing back passengers who refused to wear them when they were required.

SpaceX Starlink launch from Cape Canaveral on 2-hour delay

Weather was 70% favorable for an 11:14 a.m. liftoff from Cape Canaveral but the launch window was pushed to 1:51 p.m.

Uranus probe, search for life near Saturn: Survey outlines most important space missions

A once-a-decade survey from the National Academies of Sciences, Engineering, and Medicine has outlined high-priority missions for space, including a probe to Uranus and searching for life on Saturn’s moon.

Double ridges on Jupiter’s moon could mean better chance for life, study suggests

The water pockets could be just beneath Europa’s icy surface in order for the double ridges to form and those pockets of water could be a prime spot to harbor life, scientists hypothesized.

NASA delays moon rocket dress rehearsal, blames fuel leak

This was NASA’s third shot at a dress rehearsal, a required step ahead of a test flight to the moon.

In Depth: The history of the LAX dunes

Hal discusses the history and ecology of the wildlife habitat at the LAX dunes with guests from Los Angeles World Airports, The Bay Foundation and AvoidingRegret.com.

Largest comet ever spotted seen barreling through our solar system

C/2014 UN271, the largest comet ever spotted by the Hubble Space Telescope, is barreling towards our solar system, but experts say there is no need to worry.

Mountain lion kittens that died in Thousand Oaks test positive for rat poison

Two mountain lion kittens that died just days after being discovered last November in a Thousand Oaks office complex tested positive for rat poison, National Park Service officials reported Wednesday.

Video shows man saving goose from python's coils

The man not only saved the goose, he relocated the python to a nearby nature reserve.

Total solar eclipse 2024: next eclipse to stretch from Mexico to Maine

There’s another total solar eclipse coming to North America in 2024. This time, the moon’s shadow will be roughly 115 miles wide and sweep from Texas to Maine.