Heidi Zhou-Castro

Heidi Zhou-Castro

US & Canada

UFO enthusiasts gather outside Area 51 in the US

Turnout outside top-secret military base falls short of expectations but one person is arrested for trespassing.

UFO enthusiasts gather outside Area 51 in the US

US & Canada

Trump's border wall ‘will threaten biodiversity’

The National Butterfly Center is fighting the Trump administration's plans to build an 11-metre wall through its property.

Trump's border wall ‘will threaten biodiversity’

US & Canada

Former Trump aide refuses to answer impeachment panel

Corey Lewandowski refuses to answer questions that might incriminate the president at hearing into Russian meddling.

Former Trump aide refuses to answer impeachment panel

US & Canada

US gun laws: Texas state eases restrictions

Since recent mass shootings in Texas, eight new pro-gun laws passed in state with highest number of registered guns.

US gun laws: Texas state eases restrictions

US & Canada

US-Mexico border: Number of migrant arrests in United States down

The number is down from 140,000 in May to 51,000 in August, according to US Customs and Border Protection preliminary figures.

US-Mexico border: Number of migrant arrests in United States down

US & Canada

E-book sales decline in US as trade for print picks up

Since 2015, US readers have chosen old-fashioned print books over their digital versions, and independent bookstores are flourishing.

E-book sales decline in US as trade for print picks up

US & Canada

Central American migrants risk lives in desert to reach US

More migrants are attempting to enter the US from remote areas to avoid border patrols.

Central American migrants risk lives in desert to reach US

US & Canada

US expands migrant detention space along Mexico border

Critics say the migrants are refugees and should be greeted with assistance, rather than arrest and possible abuse.

US expands migrant detention space along Mexico border

US & Canada

After Texas shooting, refugees still hopeful of reaching US

'Compared to the US, our country is much more dangerous,' says a Honduran asylum seeker.

After Texas shooting, refugees still hopeful of reaching US

US & Canada

Trump rally: Immigration policy in the spotlight

Despite criticism of the detention of children in squalid conditions, Trump lauded his crackdown at the border.

Trump rally: Immigration policy in the spotlight

US & Canada

US: Anger as prosecutors drop charges over Flint poisoned water

The government is asking the Flint community to trust them, saying that justice delayed is not justice denied.

US: Anger as prosecutors drop charges over Flint poisoned water

US & Canada

Supporters of Maduro and Guaido clash at Venezuelan embassy in US

Standoff at Venezuelan embassy in US mirrors tensions in Caracas over political legitimacy.

Supporters of Maduro and Guaido clash at Venezuelan embassy in US