jwst

You Can't Know the True Size of an Exoplanet Without Knowing its Star's Magnetic Field

In 2011, astronomers with the Wide Angle Search for Planets (WASP) consortium detected a gas giant orbiting very close to…

3 days ago

The Brightest Gamma Ray Burst Ever Seen Came from a Collapsing Star

After a journey lasting about two billion years, photons from an extremely energetic gamma-ray burst (GRB) struck the sensors on…

6 days ago

Webb Sees a Galaxy Awash in Star Formation

Since it began operations in July 2022, the James Webb Space Telescope (JWST) has fulfilled many scientific objectives. In addition…

2 weeks ago

Could We Directly Observe Volcanoes on an Exoplanet?

After a few decades of simply finding exoplanets, humanity is starting to be able to do something more - peer…

2 weeks ago

Webb Joins the Hunt for Protoplanets

We can't understand what we can't clearly see. That fact plagues scientists who study how planets form. Planet formation happens…

3 weeks ago

In a Distant Solar System, the JWST Sees the End of Planet Formation

Every time a star forms, it represents an explosion of possibilities. Not for the star itself; its fate is governed…

3 weeks ago

Finding Atmospheres on Red Dwarf Planets Will Take Hundreds of Hours of Webb Time

The JWST is enormously powerful. One of the reasons it was launched is to examine exoplanet atmospheres to determine their…

4 weeks ago

Webb Finds Hints of a Third Planet at PDS 70

The exoplanet census now stands at 5,599 confirmed discoveries in 4,163 star systems, with another 10,157 candidates awaiting confirmation. So…

1 month ago

Dwarf Galaxies Banished the Darkness and Lit Up the Early Universe

During the Universe's Dark Ages, dense primordial gas absorbed and scattered light, prohibiting it from travelling. Only when the first…

2 months ago

If Hycean Worlds Really Exist, What are Their Oceans Like?

Astronomers have been on the hunt for a new kind of exoplanet in recent years – one especially suited for…

2 months ago